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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
12016014685605/26/16  new patent  Current sensor
22016014848405/26/16  new patent  Warning system for use in daily life
32016014891905/26/16  new patent  Semiconductor device
42016014899605/26/16  new patent  Diode and signal output circuit including the same
52016015061305/26/16  new patent  Led power supply device
62016014122405/19/16 Power module and fabrication the same
72016014123105/19/16 Power module and fabrication the same
82016014135605/19/16 Semiconductor device
92016014147705/19/16 Led module
102016014195905/19/16 Switching power supply
112016013359205/12/16 Semiconductor device and manufacturing the same
122016013360905/12/16 Electronic circuit
132016013374205/12/16 Semiconductor device having trench gate structure and manufacturing the semiconductor device
142016013374305/12/16 Semiconductor device
152016013408505/12/16 Igniter and vehicle, and controlling ignition coil
162016013426805/12/16 Pwm modulation device and sound signal output apparatus
172016013526205/12/16 Load driving device, and lighting apparatus and liquid crystal display device using the same
182016012161005/05/16 Inkjet apparatus and manufacturing inkjet apparatus
192016012178305/05/16 Light emitting element driving device, light emitting device, and vehicle
202016012329405/05/16 Igniter and vehicle
212016012455205/05/16 Capacitance voltage conversion circuit, input apparatus using the same, electronic instrument, and capacitance voltage conversion method
222016012684205/05/16 Switching power supply
232016012684805/05/16 Switching converter
242016012712005/05/16 Serial data transmission circuit and reception circuit, transmission system using the same, electronic device, and serial data transmission method
252016012814805/05/16 Switching converter with light source dimming function
262016011358504/28/16 Pulse wave sensor and semiconductor module
272016011692804/28/16 Usb power supply apparatus
282016011888004/28/16 Usb power supply apparatus
292016011890004/28/16 Power supply adaptor
302016011891604/28/16 Fan motor driving apparatus and method, cooling system including the same, and electronic equipment
312016011896104/28/16 Semiconductor device
322016010745204/21/16 Thermal print head and thermal printer
332016010928704/21/16 Optical sensor and output circuit thereof
342016011113804/21/16 Semiconductor memory device
352016011136504/21/16 Semiconductor device and manufacturing the same
362016011186804/21/16 Overcurrent protection circuit and switching power apparatus using the same
372016011196304/21/16 Switching converter and control circuit thereof, current sensing method, ac/dc converter, and power adaptor and electronic devices
382016011196404/21/16 Switch driving circuit and switching power device using the same
392016011197004/21/16 Switching power supply circuit
402016011198904/21/16 Fan motor driving means, driving method, and cooling device and electronic equipment using the same
412016011204304/21/16 Electronic circuit
422016010346604/14/16 Clock signal generating circuit
432016010500104/14/16 Igniter
442016010517504/14/16 Power semiconductor drive circuit, power semiconductor circuit, and power module circuit device
452016009749104/07/16 Led lamp
462016009937704/07/16 Light-emitting element
472016008284503/24/16 Current mode control type switching power supply device
482016008284603/24/16 Current mode control type switching power supply device
492016008525103/24/16 Power supply device
502016008528403/24/16 Power supply device
512016008687703/24/16 Semiconductor device
522016008694103/24/16 Semiconductor device
532016008702703/24/16 Chip resistor and electronic equipment having resistance circuit network
542016008704603/24/16 Semiconductor device
552016008718303/24/16 Semiconductor light-emitting device, producing same, and display device
562016008762303/24/16 Gate driver
572016008869403/24/16 Driving circuit for light-emitting element with burst dimming control
582016007700803/17/16 Cancer diagnostic device, diagnostic system, and diagnostic device
592016007984803/17/16 Bootstrap circuit
602016006951703/10/16 Led lighting apparatus
612016007156903/10/16 Data retention control circuit, data writing method, data reading method, testing characteristics of ferroelectric storage device, and semiconductor chip
622016007179803/10/16 Semiconductor device
632016007200603/10/16 Semiconductor light emitting device including gaas substrate
642016007203903/10/16 Device using a piezoelectric element and manufacturing the same
652016007232203/10/16 Protection switch circuit, charging circuit, and electronic device
662016007239103/10/16 Switching power supply device
672016007239903/10/16 Insulation-type synchronous dc/dc converter
682016007346303/10/16 Driving current generation circuit, led power supply module and led lamp
692016006448803/03/16 Nitride based semiconductor device
702016006454203/03/16 Semiconductor device and manufacturing same
712016006461903/03/16 Light emitting device and optical device
722016006490203/03/16 Semiconductor laser device and manufacturing method thereof
732016006505203/03/16 Protection circuit
742016006507103/03/16 Buck dc/dc converter and control ic thereof, communication machine for office, electric bicycle
752016006520503/03/16 Gate driving circuit of high-side transistor, switching output circuit, inverter device, and electronic device
762016005474902/25/16 Regulator circuit and integrated circuit
772016005613302/25/16 High efficiency module
782016005633202/25/16 Semiconductor light emitting device
792016005677102/25/16 Switching circuit
802016005684702/25/16 Method and system for initializing rf module through non-volatile control
812016004986602/18/16 Soft start circuit
822016005076002/18/16 Composite chip component, circuit assembly and electronic apparatus
832016004329902/11/16 Device using a piezoelectric element and manufacturing the same
842016004083202/11/16 Led illumination module
852016004284402/11/16 Chip resistor and making the same
862016004302802/11/16 Package-in-substrate, semiconductor device and module
872016004316702/11/16 Semiconductor device having a breakdown voltage holding region
882016004329902/11/16 Device using a piezoelectric element and manufacturing the same
892016004368002/11/16 Driving circuit for voice coil motor
902016003433302/04/16 Power supply device, controller thereof, controlling the same, and electronic device employing the same
912016003543502/04/16 Memory circuit
922016003549302/04/16 Multilayered structure, capacitor element, and fabrication the capacitor element
932016003582402/04/16 Semiconductor device, manufacturing the same, and power module
942016003588502/04/16 N-channel double diffusion mos transistor, and semiconductor composite device
952016003633902/04/16 Insulation-type synchronous dc/dc converter
962016003634002/04/16 Insulation-type synchronous dc/dc converter
972016002531501/28/16 Lighting system
982016002759001/28/16 Solid electrolytic capacitor, and manufacturing the same
992016002769001/28/16 Semiconductor device
1002016002775601/28/16 Semiconductor device
1012016002798801/28/16 Piezoelectric membrane, piezoelectric device, and inkjet head
1022016002831101/28/16 Switching power supply device
1032016002840801/28/16 Parallel interface and integrated circuit
1042016001886801/21/16 Power management circuit and electronic device employing the same
1052016002028901/21/16 Semiconductor device
1062016002057701/21/16 Semiconductor laser device
1072016002064301/21/16 Wireless power receiving device, receiver circuit thereof, and control wireless power receiving device
1082016001161001/14/16 Dc-dc converter and television receiver therewith
1092016001164401/14/16 User interface device
1102016001311901/14/16 Semiconductor device
1112016001314301/14/16 Electronic device
1122016001314901/14/16 Electronic device
1132016001374201/14/16 Motor driving circuit, cooling device and electronic apparatus including the same
1142016000534501/07/16 Noise removal circuit
1152016000570801/07/16 Semiconductor device and making semiconductor device
1162016000577901/07/16 Photodetection device and sensor package
1172016000582701/07/16 Semiconductor device
1182016000585701/07/16 Semiconductor device, and manufacturing the same
1192016000588401/07/16 Semiconductor device
1202016000592901/07/16 Light-emitting element, light-emitting element unit, and light-emitting element package
1212016000635401/07/16 Switching power supply circuit
1222016000746401/07/16 Electronic device and mounting structure of the same
1232015037782312/31/15 Limiting-current type gas sensor, fabrication the limiting-current type gas sensor and sensor network system
1242015037850612/31/15 Touch pad module and electronic device using the same
1252015037991012/31/15 Electro-optical device, measuring characteristics of electro-optical device, and semiconductor chip
1262015038037212/31/15 Semiconductor device including a protective film
1272015038048412/31/15 Semiconductor device and manufacturing method
1282015038050312/31/15 Semiconductor device and manuracturing the same
1292015038067012/31/15 Organic thin film photovoltaic device, fabrication method thereof, and electronic apparatus
1302015038092412/31/15 Overcurrent detection circuit, host using the same, and detecting overcurrent
1312015038097612/31/15 Mobile device
1322015038118012/31/15 Interface circuit
1332015036651312/24/15 Pulse wave sensor
1342015037193712/24/15 Semiconductor device
1352015037198312/24/15 Semiconductor device and semiconductor package
1362015037215412/24/15 Semiconductor device
1372015037245212/24/15 Two-dimensional photonic crystal laser and producing the same
1382015037265312/24/15 Level adjusting circuit, digital sound processor, audio amp integrated circuit, electronic apparatus and automatically adjusting level of audio signal
1392015036439312/17/15 Power module semiconductor device
1402015036499912/17/15 Semiconductor integrated circuit and power supply
1412015035696412/10/15 Audio signal processing circuit and electronic device using the same
1422015035799712/10/15 Correction arithmetic circuit and a signal processor
1432015034671512/03/15 Motor driving device
1442015034886212/03/15 Semiconductor device with a semiconductor chip connected in a flip chip manner
1452015034888012/03/15 Semiconductor device and manufacturing the same
1462015034890012/03/15 Semiconductor device and manufacturing the same
1472015034894912/03/15 Led module and led module packaging structure
1482015034905712/03/15 Semiconductor device
1492015034941612/03/15 Wireless module with plural in-plane terminals
1502015034969312/03/15 Motor driving device
1512015034985112/03/15 Wireless power transmitter and receiver
1522015034033511/26/15 Semiconductor package, printed circuit board substrate and semiconductor device
1532015034035011/26/15 Semiconductor device
1542015034049211/26/15 Semiconductor device and manufacturing method thereof
1552015034084011/26/15 Semiconductor laser
1562015033058211/19/15 Led illumination apparatus
1572015033106611/19/15 Mems sensor, manufacturing the same, and mems package including the same
1582015033284211/19/15 Chip parts
1592015033299011/19/15 Package
1602015033312011/19/15 Semiconductor device
1612015033313711/19/15 Semiconductor device and manufacturing the same
1622015033319011/19/15 Semiconductor device and semiconductor device manufacturing method
1632015032550411/12/15 Semiconductor device
1642015032554111/12/15 Semiconductor device
1652015032555811/12/15 Semiconductor device
1662015032557111/12/15 Switching device
1672015032612311/12/15 Dc/dc converter, control circuit and control method thereof, and electronic apparatus
1682015032615311/12/15 Motor driving circuit, cooling apparatus and electronic device using the same
1692015032619211/12/15 Audio amplifier, audio output circuit, integrated circuit for audio, electronic device, and amplifying audio signal
1702015032621111/12/15 Variable delay circuit
1712015031621711/05/15 Led lamp with light-diffusing end cap
1722015031837211/05/15 Semiconductor device
1732015031844011/05/15 Semiconductor light emitting device having patterns
1742015031093410/29/15 Semiconductor device
1752015031116510/29/15 Semiconductor device and manufacturing semiconductor device
1762015031118410/29/15 Led module
1772015031127810/29/15 Semiconductor device and producing same
1782015031139410/29/15 Semiconductor light-emitting device
1792015031173510/29/15 Charging circuit, power management circuit, and electronic device using the same
1802015031177910/29/15 Electronic circuit
1812015031178710/29/15 Control circuit for switching power supply
1822015031179010/29/15 Driving device
1832015031187910/29/15 Microphone bias circuit
1842015030313610/22/15 High efficiency module
1852015030318410/22/15 Semiconductor device and fabrication the same
1862015030333010/22/15 Photoelectric conversion device and manufacturing photoelectric conversion device
1872015030515910/22/15 Chip capacitor, circuit assembly, and electronic device
1882015029492810/15/15 Semiconductor device
1892015029495210/15/15 Semiconductor device and manufacturing semiconductor device
1902015029507110/15/15 Semiconductor device and manufacturing semiconductor device
1912015029507910/15/15 Semiconductor device and semiconductor device manufacturing method
1922015028547910/08/15 Led lamp
1932015028766510/08/15 Power module semiconductor device and inverter equipment, and fabrication the power module semiconductor device, and metallic mold
1942015028767810/08/15 Semiconductor device and fabrication method thereof
1952015028770410/08/15 Optical apparatus
1962015028905410/08/15 Mixer circuit, audio signal processing circuit, mixing audio signals, and audio device for a vehicle, audio component device and electronic device using the same
1972015027752610/01/15 Power management controller, power management circuit using the same, and electronic device
1982015027763110/01/15 Control circuit of electrostatic capacitive sensor and electronic device using the same
1992015027980710/01/15 Semiconductor device
2002015027984810/01/15 Semiconductor device and manufacturing semiconductor device
2012015027993210/01/15 Semiconductor device, manufacturing the same, and power module
2022015027998210/01/15 Nitride semiconductor device and fabrication method therefor
2032015028001610/01/15 Discrete capacitor and manufacturing method thereof
2042015028009410/01/15 Semiconductor light emitting device
2052015028045310/01/15 Power reception apparatus, power transmission apparatus, non-contact power supply system, power reception method, and power transmission method
2062015028056710/01/15 Switching regulator
2072015028059010/01/15 Control circuit and control digital control power supply circuit, and digital control power supply circuit, electronic device and base station using the same
2082015028073510/01/15 Deltasigma d/a converter, signal processing circuit including the same, and electronic apparatus
2092015028183110/01/15 Audio output circuit
2102015027038609/24/15 Semiconductor device, and manufacturing same
2112015027046109/24/15 Light emitting element unit and manufacturing the same, light emitting element package and illuminating device
2122015027047209/24/15 Device using a piezoelectric film
2132015026324809/17/15 Semiconductor light-emitting device
2142015026354209/17/15 Discharge circuit and power supply device therewith
2152015025144009/10/15 Thermal print head and thermal printer
2162015025312109/10/15 Semiconductor device and making semiconductor device
2172015025318609/10/15 Image sensor module
2182015025536909/10/15 Semiconductor device
2192015025537909/10/15 Semiconductor device with lead terminals having portions thereof extending obliquely
2202015025542509/10/15 Semiconductor device
2212015025545109/10/15 Semiconductor device
2222015025562809/10/15 Bidirectional zener diode
2232015025673109/10/15 Driving circuit for voice coil motor, lens module and electronic device using the same, and driving voice coil motor
2242015024760709/03/15 Led lamp
2252015024905509/03/15 Chip diode and diode package
2262015024907909/03/15 Semiconductor integrated circuit
2272015024938609/03/15 Control circuit and control digital control power supply circuit, and digital control power supply circuit, electronic device and base station using the same
2282015024945709/03/15 Double-integration type a/d converter
2292015023809908/27/15 Pulse wave sensor
2302015024163008/27/15 Directional coupler, and multiplexer and demultiplexer
2312015024341208/27/15 Chip component and production method therefor
2322015024358508/27/15 Semiconductor device
2332015024361208/27/15 Chip parts and manufacturing the same, circuit assembly having the chip parts and electronic device
2342015024418608/27/15 Power supply device
2352015023593108/20/15 Semiconductor device
2362015023599608/20/15 Led module
2372015023621808/20/15 Led module
2382015023623108/20/15 Semiconductor light-emitting device
2392015023662408/20/15 Current detection circuit, motor driving device, magnetic disk storage device, and electronic appliance
2402015023773508/20/15 Lighting apparatus
2412015022673008/13/15 Disc-like assay chip
2422015022640908/13/15 Light-emitting module, light-emitting device and making light-emitting module
2432015022856408/13/15 Semiconductor device
2442015022856508/13/15 Semiconductor device
2452015022857508/13/15 Semiconductor device
2462015022878408/13/15 Superjunction semiconductor device and manufacturing method therefor
2472015022880608/13/15 Chip diode and manufacturing same
2482015022880908/13/15 Schottky barrier diode
2492015023007108/13/15 Information exchanging apparatus

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