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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
12016011358504/28/16  new patent  Pulse wave sensor and semiconductor module
22016011692804/28/16  new patent  Usb power supply apparatus
32016011888004/28/16  new patent  Usb power supply apparatus
42016011890004/28/16  new patent  Power supply adaptor
52016011891604/28/16  new patent  Fan motor driving apparatus and method, cooling system including the same, and electronic equipment
62016011896104/28/16  new patent  Semiconductor device
72016010745204/21/16 Thermal print head and thermal printer
82016010928704/21/16 Optical sensor and output circuit thereof
92016011113804/21/16 Semiconductor memory device
102016011136504/21/16 Semiconductor device and manufacturing the same
112016011186804/21/16 Overcurrent protection circuit and switching power apparatus using the same
122016011196304/21/16 Switching converter and control circuit thereof, current sensing method, ac/dc converter, and power adaptor and electronic devices
132016011196404/21/16 Switch driving circuit and switching power device using the same
142016011197004/21/16 Switching power supply circuit
152016011198904/21/16 Fan motor driving means, driving method, and cooling device and electronic equipment using the same
162016011204304/21/16 Electronic circuit
172016010346604/14/16 Clock signal generating circuit
182016010500104/14/16 Igniter
192016010517504/14/16 Power semiconductor drive circuit, power semiconductor circuit, and power module circuit device
202016009749104/07/16 Led lamp
212016009937704/07/16 Light-emitting element
222016008284503/24/16 Current mode control type switching power supply device
232016008284603/24/16 Current mode control type switching power supply device
242016008525103/24/16 Power supply device
252016008528403/24/16 Power supply device
262016008687703/24/16 Semiconductor device
272016008694103/24/16 Semiconductor device
282016008702703/24/16 Chip resistor and electronic equipment having resistance circuit network
292016008704603/24/16 Semiconductor device
302016008718303/24/16 Semiconductor light-emitting device, producing same, and display device
312016008762303/24/16 Gate driver
322016008869403/24/16 Driving circuit for light-emitting element with burst dimming control
332016007700803/17/16 Cancer diagnostic device, diagnostic system, and diagnostic device
342016007984803/17/16 Bootstrap circuit
352016006951703/10/16 Led lighting apparatus
362016007156903/10/16 Data retention control circuit, data writing method, data reading method, testing characteristics of ferroelectric storage device, and semiconductor chip
372016007179803/10/16 Semiconductor device
382016007200603/10/16 Semiconductor light emitting device including gaas substrate
392016007203903/10/16 Device using a piezoelectric element and manufacturing the same
402016007232203/10/16 Protection switch circuit, charging circuit, and electronic device
412016007239103/10/16 Switching power supply device
422016007239903/10/16 Insulation-type synchronous dc/dc converter
432016007346303/10/16 Driving current generation circuit, led power supply module and led lamp
442016006448803/03/16 Nitride based semiconductor device
452016006454203/03/16 Semiconductor device and manufacturing same
462016006461903/03/16 Light emitting device and optical device
472016006490203/03/16 Semiconductor laser device and manufacturing method thereof
482016006505203/03/16 Protection circuit
492016006507103/03/16 Buck dc/dc converter and control ic thereof, communication machine for office, electric bicycle
502016006520503/03/16 Gate driving circuit of high-side transistor, switching output circuit, inverter device, and electronic device
512016005474902/25/16 Regulator circuit and integrated circuit
522016005613302/25/16 High efficiency module
532016005633202/25/16 Semiconductor light emitting device
542016005677102/25/16 Switching circuit
552016005684702/25/16 Method and system for initializing rf module through non-volatile control
562016004986602/18/16 Soft start circuit
572016005076002/18/16 Composite chip component, circuit assembly and electronic apparatus
582016004329902/11/16 Device using a piezoelectric element and manufacturing the same
592016004083202/11/16 Led illumination module
602016004284402/11/16 Chip resistor and making the same
612016004302802/11/16 Package-in-substrate, semiconductor device and module
622016004316702/11/16 Semiconductor device having a breakdown voltage holding region
632016004329902/11/16 Device using a piezoelectric element and manufacturing the same
642016004368002/11/16 Driving circuit for voice coil motor
652016003433302/04/16 Power supply device, controller thereof, controlling the same, and electronic device employing the same
662016003543502/04/16 Memory circuit
672016003549302/04/16 Multilayered structure, capacitor element, and fabrication the capacitor element
682016003582402/04/16 Semiconductor device, manufacturing the same, and power module
692016003588502/04/16 N-channel double diffusion mos transistor, and semiconductor composite device
702016003633902/04/16 Insulation-type synchronous dc/dc converter
712016003634002/04/16 Insulation-type synchronous dc/dc converter
722016002531501/28/16 Lighting system
732016002759001/28/16 Solid electrolytic capacitor, and manufacturing the same
742016002769001/28/16 Semiconductor device
752016002775601/28/16 Semiconductor device
762016002798801/28/16 Piezoelectric membrane, piezoelectric device, and inkjet head
772016002831101/28/16 Switching power supply device
782016002840801/28/16 Parallel interface and integrated circuit
792016001886801/21/16 Power management circuit and electronic device employing the same
802016002028901/21/16 Semiconductor device
812016002057701/21/16 Semiconductor laser device
822016002064301/21/16 Wireless power receiving device, receiver circuit thereof, and control wireless power receiving device
832016001161001/14/16 Dc-dc converter and television receiver therewith
842016001164401/14/16 User interface device
852016001311901/14/16 Semiconductor device
862016001314301/14/16 Electronic device
872016001314901/14/16 Electronic device
882016001374201/14/16 Motor driving circuit, cooling device and electronic apparatus including the same
892016000534501/07/16 Noise removal circuit
902016000570801/07/16 Semiconductor device and making semiconductor device
912016000577901/07/16 Photodetection device and sensor package
922016000582701/07/16 Semiconductor device
932016000585701/07/16 Semiconductor device, and manufacturing the same
942016000588401/07/16 Semiconductor device
952016000592901/07/16 Light-emitting element, light-emitting element unit, and light-emitting element package
962016000635401/07/16 Switching power supply circuit
972016000746401/07/16 Electronic device and mounting structure of the same
982015037782312/31/15 Limiting-current type gas sensor, fabrication the limiting-current type gas sensor and sensor network system
992015037850612/31/15 Touch pad module and electronic device using the same
1002015037991012/31/15 Electro-optical device, measuring characteristics of electro-optical device, and semiconductor chip
1012015038037212/31/15 Semiconductor device including a protective film
1022015038048412/31/15 Semiconductor device and manufacturing method
1032015038050312/31/15 Semiconductor device and manuracturing the same
1042015038067012/31/15 Organic thin film photovoltaic device, fabrication method thereof, and electronic apparatus
1052015038092412/31/15 Overcurrent detection circuit, host using the same, and detecting overcurrent
1062015038097612/31/15 Mobile device
1072015038118012/31/15 Interface circuit
1082015036651312/24/15 Pulse wave sensor
1092015037193712/24/15 Semiconductor device
1102015037198312/24/15 Semiconductor device and semiconductor package
1112015037215412/24/15 Semiconductor device
1122015037245212/24/15 Two-dimensional photonic crystal laser and producing the same
1132015037265312/24/15 Level adjusting circuit, digital sound processor, audio amp integrated circuit, electronic apparatus and automatically adjusting level of audio signal
1142015036439312/17/15 Power module semiconductor device
1152015036499912/17/15 Semiconductor integrated circuit and power supply
1162015035696412/10/15 Audio signal processing circuit and electronic device using the same
1172015035799712/10/15 Correction arithmetic circuit and a signal processor
1182015034671512/03/15 Motor driving device
1192015034886212/03/15 Semiconductor device with a semiconductor chip connected in a flip chip manner
1202015034888012/03/15 Semiconductor device and manufacturing the same
1212015034890012/03/15 Semiconductor device and manufacturing the same
1222015034894912/03/15 Led module and led module packaging structure
1232015034905712/03/15 Semiconductor device
1242015034941612/03/15 Wireless module with plural in-plane terminals
1252015034969312/03/15 Motor driving device
1262015034985112/03/15 Wireless power transmitter and receiver
1272015034033511/26/15 Semiconductor package, printed circuit board substrate and semiconductor device
1282015034035011/26/15 Semiconductor device
1292015034049211/26/15 Semiconductor device and manufacturing method thereof
1302015034084011/26/15 Semiconductor laser
1312015033058211/19/15 Led illumination apparatus
1322015033106611/19/15 Mems sensor, manufacturing the same, and mems package including the same
1332015033284211/19/15 Chip parts
1342015033299011/19/15 Package
1352015033312011/19/15 Semiconductor device
1362015033313711/19/15 Semiconductor device and manufacturing the same
1372015033319011/19/15 Semiconductor device and semiconductor device manufacturing method
1382015032550411/12/15 Semiconductor device
1392015032554111/12/15 Semiconductor device
1402015032555811/12/15 Semiconductor device
1412015032557111/12/15 Switching device
1422015032612311/12/15 Dc/dc converter, control circuit and control method thereof, and electronic apparatus
1432015032615311/12/15 Motor driving circuit, cooling apparatus and electronic device using the same
1442015032619211/12/15 Audio amplifier, audio output circuit, integrated circuit for audio, electronic device, and amplifying audio signal
1452015032621111/12/15 Variable delay circuit
1462015031621711/05/15 Led lamp with light-diffusing end cap
1472015031837211/05/15 Semiconductor device
1482015031844011/05/15 Semiconductor light emitting device having patterns
1492015031093410/29/15 Semiconductor device
1502015031116510/29/15 Semiconductor device and manufacturing semiconductor device
1512015031118410/29/15 Led module
1522015031127810/29/15 Semiconductor device and producing same
1532015031139410/29/15 Semiconductor light-emitting device
1542015031173510/29/15 Charging circuit, power management circuit, and electronic device using the same
1552015031177910/29/15 Electronic circuit
1562015031178710/29/15 Control circuit for switching power supply
1572015031179010/29/15 Driving device
1582015031187910/29/15 Microphone bias circuit
1592015030313610/22/15 High efficiency module
1602015030318410/22/15 Semiconductor device and fabrication the same
1612015030333010/22/15 Photoelectric conversion device and manufacturing photoelectric conversion device
1622015030515910/22/15 Chip capacitor, circuit assembly, and electronic device
1632015029492810/15/15 Semiconductor device
1642015029495210/15/15 Semiconductor device and manufacturing semiconductor device
1652015029507110/15/15 Semiconductor device and manufacturing semiconductor device
1662015029507910/15/15 Semiconductor device and semiconductor device manufacturing method
1672015028547910/08/15 Led lamp
1682015028766510/08/15 Power module semiconductor device and inverter equipment, and fabrication the power module semiconductor device, and metallic mold
1692015028767810/08/15 Semiconductor device and fabrication method thereof
1702015028770410/08/15 Optical apparatus
1712015028905410/08/15 Mixer circuit, audio signal processing circuit, mixing audio signals, and audio device for a vehicle, audio component device and electronic device using the same
1722015027752610/01/15 Power management controller, power management circuit using the same, and electronic device
1732015027763110/01/15 Control circuit of electrostatic capacitive sensor and electronic device using the same
1742015027980710/01/15 Semiconductor device
1752015027984810/01/15 Semiconductor device and manufacturing semiconductor device
1762015027993210/01/15 Semiconductor device, manufacturing the same, and power module
1772015027998210/01/15 Nitride semiconductor device and fabrication method therefor
1782015028001610/01/15 Discrete capacitor and manufacturing method thereof
1792015028009410/01/15 Semiconductor light emitting device
1802015028045310/01/15 Power reception apparatus, power transmission apparatus, non-contact power supply system, power reception method, and power transmission method
1812015028056710/01/15 Switching regulator
1822015028059010/01/15 Control circuit and control digital control power supply circuit, and digital control power supply circuit, electronic device and base station using the same
1832015028073510/01/15 Deltasigma d/a converter, signal processing circuit including the same, and electronic apparatus
1842015028183110/01/15 Audio output circuit
1852015027038609/24/15 Semiconductor device, and manufacturing same
1862015027046109/24/15 Light emitting element unit and manufacturing the same, light emitting element package and illuminating device
1872015027047209/24/15 Device using a piezoelectric film
1882015026324809/17/15 Semiconductor light-emitting device
1892015026354209/17/15 Discharge circuit and power supply device therewith
1902015025144009/10/15 Thermal print head and thermal printer
1912015025312109/10/15 Semiconductor device and making semiconductor device
1922015025318609/10/15 Image sensor module
1932015025536909/10/15 Semiconductor device
1942015025537909/10/15 Semiconductor device with lead terminals having portions thereof extending obliquely
1952015025542509/10/15 Semiconductor device
1962015025545109/10/15 Semiconductor device
1972015025562809/10/15 Bidirectional zener diode
1982015025673109/10/15 Driving circuit for voice coil motor, lens module and electronic device using the same, and driving voice coil motor
1992015024760709/03/15 Led lamp
2002015024905509/03/15 Chip diode and diode package
2012015024907909/03/15 Semiconductor integrated circuit
2022015024938609/03/15 Control circuit and control digital control power supply circuit, and digital control power supply circuit, electronic device and base station using the same
2032015024945709/03/15 Double-integration type a/d converter
2042015023809908/27/15 Pulse wave sensor
2052015024163008/27/15 Directional coupler, and multiplexer and demultiplexer
2062015024341208/27/15 Chip component and production method therefor
2072015024358508/27/15 Semiconductor device
2082015024361208/27/15 Chip parts and manufacturing the same, circuit assembly having the chip parts and electronic device
2092015024418608/27/15 Power supply device
2102015023593108/20/15 Semiconductor device
2112015023599608/20/15 Led module
2122015023621808/20/15 Led module
2132015023623108/20/15 Semiconductor light-emitting device
2142015023662408/20/15 Current detection circuit, motor driving device, magnetic disk storage device, and electronic appliance
2152015023773508/20/15 Lighting apparatus
2162015022673008/13/15 Disc-like assay chip
2172015022640908/13/15 Light-emitting module, light-emitting device and making light-emitting module
2182015022856408/13/15 Semiconductor device
2192015022856508/13/15 Semiconductor device
2202015022857508/13/15 Semiconductor device
2212015022878408/13/15 Superjunction semiconductor device and manufacturing method therefor
2222015022880608/13/15 Chip diode and manufacturing same
2232015022880908/13/15 Schottky barrier diode
2242015023007108/13/15 Information exchanging apparatus
2252015022038308/06/15 Reception circuit of image data, electronic device using the same, and transmitting image data
2262015022176308/06/15 Semiconductor device manufacturing method
2272015022214408/06/15 Power receiving circuit, control wireless power receiving apparatus, and electronic device
2282015022241608/06/15 Serial data transmission circuit and reception circuit, transmission system using the same, electronic device, and serial data transmission method
2292015020893307/30/15 Pulse wave sensor
2302015021425907/30/15 Photoelectric converter and manufacturing the same
2312015021429407/30/15 Semiconductor device and manufacturing the same
2322015021435407/30/15 Semiconductor device
2332015021435507/30/15 Semiconductor device
2342015021442807/30/15 Light emitting device
2352015021602007/30/15 Led lamp
2362015021604407/30/15 Chip parts and manufacturing the same, circuit assembly having the chip parts and electronic device
2372015020571907/23/15 Memory control circuit
2382015020733807/23/15 Wireless power receiver circuit
2392015020815307/23/15 Hearing system and finger ring for the hearing system
2402015020834307/23/15 Mobile phone
2412015020017007/16/15 Semiconductor device
2422015020018107/16/15 Semiconductor device
2432015019449207/09/15 Semiconductor device and manufacturing semiconductor device
2442015019497407/09/15 Ad conversion circuit
2452015019497807/09/15 Switching power control circuit
2462015018790607/02/15 Semiconductor device and manufacturing method
2472015018841207/02/15 Amplitude normalization circuit, power supply and electronic apparatus
2482015017955406/25/15 Semiconductor device
2492015017989806/25/15 Led module

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