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Rohm Co Ltd
Rohm Co Ltd_20100107
Rohm Co Ltd_20100114
Rohm Co Ltd_20100128
Rohm Co Ltd_20131212
Rohm Co Ltd_20100121


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Rohm Co Ltd patents

Recent patent applications related to Rohm Co Ltd. Rohm Co Ltd is listed as an Agent/Assignee. Note: Rohm Co Ltd may have other listings under different names/spellings. We're not affiliated with Rohm Co Ltd, we're just tracking patents.

ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Rohm Co Ltd-related inventors

Search recent Press Releases: Rohm Co Ltd-related press releases
Count Application # Date Rohm Co Ltd patents (updated weekly) - BOOKMARK this page
12016018523506/30/16  new patent  Control circuit for step-up dc/dc converter
22016018743306/30/16  new patent  Magnetism detection device
32016018820006/30/16  new patent  Touch-panel input device
42016019004506/30/16  new patent  Semiconductor device and making the same
52016019005106/30/16  new patent  Electronic device
62016019007606/30/16  new patent  Chip part
72016019031106/30/16  new patent  Semiconductor device
82016019081806/30/16  new patent  Power receiver control circuit, control wireless power receiver, and electronic apparatus
92016019094206/30/16  new patent  Insulated synchronous rectification dc/dc converter
102016017817406/23/16 Lighting device
112016017884306/23/16 Terahertz-wave device and terahetz-wave integrated circuits
122016018118606/23/16 Semiconductor device and production method therefor
132016018121006/23/16 Semiconductor device and manufacturing semiconductor device
142016018135606/23/16 Semiconductor device
152016018144206/23/16 Semiconductor device and manufacturing same
162016018147806/23/16 Semiconductor light emitting device and fabrication the semiconductor light emitting device
172016018148906/23/16 Light emitting device and light emitting device package
182016018193206/23/16 Isolated dc/dc converter, power supply device, power supply adaptor, and electronic device using the same, and feedback amplifier integrated circuit
192016018193406/23/16 Insulated synchronous rectification dc/dc converter
202016018193506/23/16 Isolated dc/dc converter, power supply, power supply adaptor, electronic device using the same, and primary side controller
212016016967306/16/16 Offset calculation circuit and azimuth sensor using the same
222016016973406/16/16 Photodetector and electronic apparatus
232016017256306/16/16 Led module
242016017297806/16/16 Switching power source apparatus
252016016379006/09/16 Semiconductor device
262016016379506/09/16 Semiconductor device and manufacturing semiconductor device
272016016388306/09/16 Bidirectional zener diode
282016015568906/02/16 Resin-encapsulated semiconductor device and its manufacturing method
292016015570906/02/16 Semiconductor device and manufacturing semiconductor device
302016015580706/02/16 Nitride semiconductor element and nitride semiconductor package
312016015622706/02/16 Power management system and power outlet unit
322016014685605/26/16 Current sensor
332016014848405/26/16 Warning system for use in daily life
342016014891905/26/16 Semiconductor device
352016014899605/26/16 Diode and signal output circuit including the same
362016015061305/26/16 Led power supply device
372016014122405/19/16 Power module and fabrication the same
382016014123105/19/16 Power module and fabrication the same
392016014135605/19/16 Semiconductor device
402016014147705/19/16 Led module
412016014195905/19/16 Switching power supply
422016013359205/12/16 Semiconductor device and manufacturing the same
432016013360905/12/16 Electronic circuit
442016013374205/12/16 Semiconductor device having trench gate structure and manufacturing the semiconductor device
452016013374305/12/16 Semiconductor device
462016013408505/12/16 Igniter and vehicle, and controlling ignition coil
472016013426805/12/16 Pwm modulation device and sound signal output apparatus
482016013526205/12/16 Load driving device, and lighting apparatus and liquid crystal display device using the same
492016012161005/05/16 Inkjet apparatus and manufacturing inkjet apparatus
502016012178305/05/16 Light emitting element driving device, light emitting device, and vehicle
512016012329405/05/16 Igniter and vehicle
522016012455205/05/16 Capacitance voltage conversion circuit, input apparatus using the same, electronic instrument, and capacitance voltage conversion method
532016012684205/05/16 Switching power supply
542016012684805/05/16 Switching converter
552016012712005/05/16 Serial data transmission circuit and reception circuit, transmission system using the same, electronic device, and serial data transmission method
562016012814805/05/16 Switching converter with light source dimming function
572016011358504/28/16 Pulse wave sensor and semiconductor module
582016011692804/28/16 Usb power supply apparatus
592016011888004/28/16 Usb power supply apparatus
602016011890004/28/16 Power supply adaptor
612016011891604/28/16 Fan motor driving apparatus and method, cooling system including the same, and electronic equipment
622016011896104/28/16 Semiconductor device
632016010745204/21/16 Thermal print head and thermal printer
642016010928704/21/16 Optical sensor and output circuit thereof
652016011113804/21/16 Semiconductor memory device
662016011136504/21/16 Semiconductor device and manufacturing the same
672016011186804/21/16 Overcurrent protection circuit and switching power apparatus using the same
682016011196304/21/16 Switching converter and control circuit thereof, current sensing method, ac/dc converter, and power adaptor and electronic devices
692016011196404/21/16 Switch driving circuit and switching power device using the same
702016011197004/21/16 Switching power supply circuit
712016011198904/21/16 Fan motor driving means, driving method, and cooling device and electronic equipment using the same
722016011204304/21/16 Electronic circuit
732016010346604/14/16 Clock signal generating circuit
742016010500104/14/16 Igniter
752016010517504/14/16 Power semiconductor drive circuit, power semiconductor circuit, and power module circuit device
762016009749104/07/16 Led lamp
772016009937704/07/16 Light-emitting element
782016008284503/24/16 Current mode control type switching power supply device
792016008284603/24/16 Current mode control type switching power supply device
802016008525103/24/16 Power supply device
812016008528403/24/16 Power supply device
822016008687703/24/16 Semiconductor device
832016008694103/24/16 Semiconductor device
842016008702703/24/16 Chip resistor and electronic equipment having resistance circuit network
852016008704603/24/16 Semiconductor device
862016008718303/24/16 Semiconductor light-emitting device, producing same, and display device
872016008762303/24/16 Gate driver
882016008869403/24/16 Driving circuit for light-emitting element with burst dimming control
892016007700803/17/16 Cancer diagnostic device, diagnostic system, and diagnostic device
902016007984803/17/16 Bootstrap circuit
912016006951703/10/16 Led lighting apparatus
922016007156903/10/16 Data retention control circuit, data writing method, data reading method, testing characteristics of ferroelectric storage device, and semiconductor chip
932016007179803/10/16 Semiconductor device
942016007200603/10/16 Semiconductor light emitting device including gaas substrate
952016007203903/10/16 Device using a piezoelectric element and manufacturing the same
962016007232203/10/16 Protection switch circuit, charging circuit, and electronic device
972016007239103/10/16 Switching power supply device
982016007239903/10/16 Insulation-type synchronous dc/dc converter
992016007346303/10/16 Driving current generation circuit, led power supply module and led lamp
1002016006448803/03/16 Nitride based semiconductor device
1012016006454203/03/16 Semiconductor device and manufacturing same
1022016006461903/03/16 Light emitting device and optical device
1032016006490203/03/16 Semiconductor laser device and manufacturing method thereof
1042016006505203/03/16 Protection circuit
1052016006507103/03/16 Buck dc/dc converter and control ic thereof, communication machine for office, electric bicycle
1062016006520503/03/16 Gate driving circuit of high-side transistor, switching output circuit, inverter device, and electronic device
1072016005474902/25/16 Regulator circuit and integrated circuit
1082016005613302/25/16 High efficiency module
1092016005633202/25/16 Semiconductor light emitting device
1102016005677102/25/16 Switching circuit
1112016005684702/25/16 Method and system for initializing rf module through non-volatile control
1122016004986602/18/16 Soft start circuit
1132016005076002/18/16 Composite chip component, circuit assembly and electronic apparatus
1142016004329902/11/16 Device using a piezoelectric element and manufacturing the same
1152016004083202/11/16 Led illumination module
1162016004284402/11/16 Chip resistor and making the same
1172016004302802/11/16 Package-in-substrate, semiconductor device and module
1182016004316702/11/16 Semiconductor device having a breakdown voltage holding region
1192016004329902/11/16 Device using a piezoelectric element and manufacturing the same
1202016004368002/11/16 Driving circuit for voice coil motor
1212016003433302/04/16 Power supply device, controller thereof, controlling the same, and electronic device employing the same
1222016003543502/04/16 Memory circuit
1232016003549302/04/16 Multilayered structure, capacitor element, and fabrication the capacitor element
1242016003582402/04/16 Semiconductor device, manufacturing the same, and power module
1252016003588502/04/16 N-channel double diffusion mos transistor, and semiconductor composite device
1262016003633902/04/16 Insulation-type synchronous dc/dc converter
1272016003634002/04/16 Insulation-type synchronous dc/dc converter
1282016002531501/28/16 Lighting system
1292016002759001/28/16 Solid electrolytic capacitor, and manufacturing the same
1302016002769001/28/16 Semiconductor device
1312016002775601/28/16 Semiconductor device
1322016002798801/28/16 Piezoelectric membrane, piezoelectric device, and inkjet head
1332016002831101/28/16 Switching power supply device
1342016002840801/28/16 Parallel interface and integrated circuit
1352016001886801/21/16 Power management circuit and electronic device employing the same
1362016002028901/21/16 Semiconductor device
1372016002057701/21/16 Semiconductor laser device
1382016002064301/21/16 Wireless power receiving device, receiver circuit thereof, and control wireless power receiving device
1392016001161001/14/16 Dc-dc converter and television receiver therewith
1402016001164401/14/16 User interface device
1412016001311901/14/16 Semiconductor device
1422016001314301/14/16 Electronic device
1432016001314901/14/16 Electronic device
1442016001374201/14/16 Motor driving circuit, cooling device and electronic apparatus including the same
1452016000534501/07/16 Noise removal circuit
1462016000570801/07/16 Semiconductor device and making semiconductor device
1472016000577901/07/16 Photodetection device and sensor package
1482016000582701/07/16 Semiconductor device
1492016000585701/07/16 Semiconductor device, and manufacturing the same
1502016000588401/07/16 Semiconductor device
1512016000592901/07/16 Light-emitting element, light-emitting element unit, and light-emitting element package
1522016000635401/07/16 Switching power supply circuit
1532016000746401/07/16 Electronic device and mounting structure of the same
1542015037782312/31/15 Limiting-current type gas sensor, fabrication the limiting-current type gas sensor and sensor network system
1552015037850612/31/15 Touch pad module and electronic device using the same
1562015037991012/31/15 Electro-optical device, measuring characteristics of electro-optical device, and semiconductor chip
1572015038037212/31/15 Semiconductor device including a protective film
1582015038048412/31/15 Semiconductor device and manufacturing method
1592015038050312/31/15 Semiconductor device and manuracturing the same
1602015038067012/31/15 Organic thin film photovoltaic device, fabrication method thereof, and electronic apparatus
1612015038092412/31/15 Overcurrent detection circuit, host using the same, and detecting overcurrent
1622015038097612/31/15 Mobile device
1632015038118012/31/15 Interface circuit
1642015036651312/24/15 Pulse wave sensor
1652015037193712/24/15 Semiconductor device
1662015037198312/24/15 Semiconductor device and semiconductor package
1672015037215412/24/15 Semiconductor device
1682015037245212/24/15 Two-dimensional photonic crystal laser and producing the same
1692015037265312/24/15 Level adjusting circuit, digital sound processor, audio amp integrated circuit, electronic apparatus and automatically adjusting level of audio signal
1702015036439312/17/15 Power module semiconductor device
1712015036499912/17/15 Semiconductor integrated circuit and power supply
1722015035696412/10/15 Audio signal processing circuit and electronic device using the same
1732015035799712/10/15 Correction arithmetic circuit and a signal processor
1742015034671512/03/15 Motor driving device
1752015034886212/03/15 Semiconductor device with a semiconductor chip connected in a flip chip manner
1762015034888012/03/15 Semiconductor device and manufacturing the same
1772015034890012/03/15 Semiconductor device and manufacturing the same
1782015034894912/03/15 Led module and led module packaging structure
1792015034905712/03/15 Semiconductor device
1802015034941612/03/15 Wireless module with plural in-plane terminals
1812015034969312/03/15 Motor driving device
1822015034985112/03/15 Wireless power transmitter and receiver
1832015034033511/26/15 Semiconductor package, printed circuit board substrate and semiconductor device
1842015034035011/26/15 Semiconductor device
1852015034049211/26/15 Semiconductor device and manufacturing method thereof
1862015034084011/26/15 Semiconductor laser
1872015033058211/19/15 Led illumination apparatus
1882015033106611/19/15 Mems sensor, manufacturing the same, and mems package including the same
1892015033284211/19/15 Chip parts
1902015033299011/19/15 Package
1912015033312011/19/15 Semiconductor device
1922015033313711/19/15 Semiconductor device and manufacturing the same
1932015033319011/19/15 Semiconductor device and semiconductor device manufacturing method
1942015032550411/12/15 Semiconductor device
1952015032554111/12/15 Semiconductor device
1962015032555811/12/15 Semiconductor device
1972015032557111/12/15 Switching device
1982015032612311/12/15 Dc/dc converter, control circuit and control method thereof, and electronic apparatus
1992015032615311/12/15 Motor driving circuit, cooling apparatus and electronic device using the same
2002015032619211/12/15 Audio amplifier, audio output circuit, integrated circuit for audio, electronic device, and amplifying audio signal
2012015032621111/12/15 Variable delay circuit
2022015031621711/05/15 Led lamp with light-diffusing end cap
2032015031837211/05/15 Semiconductor device
2042015031844011/05/15 Semiconductor light emitting device having patterns
2052015031093410/29/15 Semiconductor device
2062015031116510/29/15 Semiconductor device and manufacturing semiconductor device
2072015031118410/29/15 Led module
2082015031127810/29/15 Semiconductor device and producing same
2092015031139410/29/15 Semiconductor light-emitting device
2102015031173510/29/15 Charging circuit, power management circuit, and electronic device using the same
2112015031177910/29/15 Electronic circuit
2122015031178710/29/15 Control circuit for switching power supply
2132015031179010/29/15 Driving device
2142015031187910/29/15 Microphone bias circuit
2152015030313610/22/15 High efficiency module
2162015030318410/22/15 Semiconductor device and fabrication the same
2172015030333010/22/15 Photoelectric conversion device and manufacturing photoelectric conversion device
2182015030515910/22/15 Chip capacitor, circuit assembly, and electronic device
2192015029492810/15/15 Semiconductor device
2202015029495210/15/15 Semiconductor device and manufacturing semiconductor device
2212015029507110/15/15 Semiconductor device and manufacturing semiconductor device
2222015029507910/15/15 Semiconductor device and semiconductor device manufacturing method
2232015028547910/08/15 Led lamp
2242015028766510/08/15 Power module semiconductor device and inverter equipment, and fabrication the power module semiconductor device, and metallic mold
2252015028767810/08/15 Semiconductor device and fabrication method thereof
2262015028770410/08/15 Optical apparatus
2272015028905410/08/15 Mixer circuit, audio signal processing circuit, mixing audio signals, and audio device for a vehicle, audio component device and electronic device using the same
2282015027752610/01/15 Power management controller, power management circuit using the same, and electronic device
2292015027763110/01/15 Control circuit of electrostatic capacitive sensor and electronic device using the same
2302015027980710/01/15 Semiconductor device
2312015027984810/01/15 Semiconductor device and manufacturing semiconductor device
2322015027993210/01/15 Semiconductor device, manufacturing the same, and power module
2332015027998210/01/15 Nitride semiconductor device and fabrication method therefor
2342015028001610/01/15 Discrete capacitor and manufacturing method thereof
2352015028009410/01/15 Semiconductor light emitting device
2362015028045310/01/15 Power reception apparatus, power transmission apparatus, non-contact power supply system, power reception method, and power transmission method
2372015028056710/01/15 Switching regulator
2382015028059010/01/15 Control circuit and control digital control power supply circuit, and digital control power supply circuit, electronic device and base station using the same
2392015028073510/01/15 Deltasigma d/a converter, signal processing circuit including the same, and electronic apparatus
2402015028183110/01/15 Audio output circuit
2412015027038609/24/15 Semiconductor device, and manufacturing same
2422015027046109/24/15 Light emitting element unit and manufacturing the same, light emitting element package and illuminating device
2432015027047209/24/15 Device using a piezoelectric film
2442015026324809/17/15 Semiconductor light-emitting device
2452015026354209/17/15 Discharge circuit and power supply device therewith
2462015025144009/10/15 Thermal print head and thermal printer
2472015025312109/10/15 Semiconductor device and making semiconductor device
2482015025318609/10/15 Image sensor module
2492015025536909/10/15 Semiconductor device

ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Rohm Co Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Rohm Co Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by