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Rohm Co Ltd patents

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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

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Date Rohm Co Ltd patents (updated weekly) - BOOKMARK this page
10/20/16 new patent  Semiconductor device
10/20/16 new patent  Semiconductor device
10/20/16 new patent  Diode
10/20/16 new patent  Bus controller
10/20/16 new patent  Power circuit and power module
10/20/16 new patent  Printed wiring board
10/13/16Linear power supply circuit
10/13/16Semiconductor device
10/13/16Semiconductor device including a protective film
10/13/16Led module
10/13/16On-period setting circuit, power control ic, and switching power supply device
10/13/16Led driving device, illuminator, and liquid crystal display device
10/13/16Wireless communication module, led lighting device, solar photovoltaic system, self-start system and detection device
10/06/16Semiconductor device having electrode pads arranged between groups of external electrodes
10/06/16Charge pump circuit
10/06/16Semiconductor device and power supply unit utilizing the same
10/06/16Switching device and electronic circuit
09/29/16Living body information sensor
09/29/16Nitride semiconductor device
09/29/16Semiconductor device and manufacturing method
09/29/16Led package
09/29/16Semiconductor device having super junction metal oxide semiconductor structure and fabrication the same
09/29/16State of charge detecting device, state of charge detecting method, state of charge detecting system, and battery pack
09/29/16Wireless power receiving apparatus
09/29/16Incoming/outgoing-talk unit and incoming-talk unit
09/22/16Chip part and making the same
09/22/16Electrostatic switch controller, control method thereof, door operating device, and electronic key system
09/15/16Semiconductor device including an electrode lower layer and an electrode upper layer and manufacturing semiconductor device
09/15/16Control circuit of electrostatic capacitive sensor and electronic device using the same
09/08/16Led lighting apparatus
09/08/16Semiconductor apparatus
09/08/16Semiconductor device
09/08/16Isolated dc/dc converter, feedback circuit thereof, power supply device, power supply adaptor, and electronic device using the same
09/08/16Insulated synchronous rectification dc/dc converter
09/08/16Insulated synchronous rectification dc/dc converter
09/08/16Motor driving circuit
09/08/16Wristband-type handset and wristband-type alerting device
09/01/16Semiconductor device and semiconductor package
08/25/16Led lighting apparatus with first and second cover portions
08/25/16Chip resistor and manufacturing the same
08/25/16Semiconductor device
08/25/16Semiconductor storage device and manufacturing the semiconductor storage device
08/25/16Semiconductor device and manufacturing method thereof
08/25/16Switch drive circuit
08/25/16Semiconductor device
08/25/16Dead time adjusting circuit
08/25/16Mobile telephone
08/25/16Photoelectric conversion device and image pick-up device
08/18/16Chip resistor and manufacturing the same
08/18/16Semiconductor device
08/18/16Semiconductor device and semiconductor module
08/18/16Power receiver control circuit for wireless power receiver apparatus
08/18/16Electronic device
08/18/16Electronic device
08/11/16Semiconductor device
08/11/16Differential circuit
08/11/16Light source unit, heat-assisted magnetic recording head using the same, and light source for light source unit
08/04/16Stress sensor and fabrication the same
08/04/16Constant voltage generating circuit
08/04/16Semiconductor device
08/04/16Semiconductor device
08/04/16Semiconductor device
07/28/16Power module and fabrication the same
07/28/16Semiconductor device and manufacturing semiconductor device
07/28/16Semiconductor device and manufacturing semiconductor device
07/28/16Semiconductor device
07/21/16Chip capacitor, circuit assembly, and electronic device
07/21/16Manufacturing semiconductor device and semiconductor device
07/21/16Semiconductor device
07/21/16Semiconductor device, manufacturing the same, and power module
07/21/16Semiconductor device
07/21/16Semiconductor laser device
07/14/16Mobile telephone
07/07/16Chip resistor and mounting structure thereof
07/07/16Control circuit for wireless power receiver and control method
06/30/16Control circuit for step-up dc/dc converter
06/30/16Magnetism detection device
06/30/16Touch-panel input device
06/30/16Semiconductor device and making the same
06/30/16Electronic device
06/30/16Chip part
06/30/16Semiconductor device
06/30/16Power receiver control circuit, control wireless power receiver, and electronic apparatus
06/30/16Insulated synchronous rectification dc/dc converter
06/23/16Lighting device
06/23/16Terahertz-wave device and terahetz-wave integrated circuits
06/23/16Semiconductor device and production method therefor
06/23/16Semiconductor device and manufacturing semiconductor device
06/23/16Semiconductor device
06/23/16Semiconductor device and manufacturing same
06/23/16Semiconductor light emitting device and fabrication the semiconductor light emitting device
06/23/16Light emitting device and light emitting device package
06/23/16Isolated dc/dc converter, power supply device, power supply adaptor, and electronic device using the same, and feedback amplifier integrated circuit
06/23/16Insulated synchronous rectification dc/dc converter
06/23/16Isolated dc/dc converter, power supply, power supply adaptor, electronic device using the same, and primary side controller
06/16/16Offset calculation circuit and azimuth sensor using the same
06/16/16Photodetector and electronic apparatus
06/16/16Led module
06/16/16Switching power source apparatus
06/09/16Semiconductor device
06/09/16Semiconductor device and manufacturing semiconductor device
06/09/16Bidirectional zener diode
06/02/16Resin-encapsulated semiconductor device and its manufacturing method
06/02/16Semiconductor device and manufacturing semiconductor device
06/02/16Nitride semiconductor element and nitride semiconductor package
06/02/16Power management system and power outlet unit
05/26/16Current sensor
05/26/16Warning system for use in daily life
05/26/16Semiconductor device
05/26/16Diode and signal output circuit including the same
05/26/16Led power supply device
05/19/16Power module and fabrication the same
05/19/16Power module and fabrication the same
05/19/16Semiconductor device
05/19/16Led module
05/19/16Switching power supply
05/12/16Semiconductor device and manufacturing the same
05/12/16Electronic circuit
05/12/16Semiconductor device having trench gate structure and manufacturing the semiconductor device
05/12/16Semiconductor device
05/12/16Igniter and vehicle, and controlling ignition coil
05/12/16Pwm modulation device and sound signal output apparatus
05/12/16Load driving device, and lighting apparatus and liquid crystal display device using the same
05/05/16Inkjet apparatus and manufacturing inkjet apparatus
05/05/16Light emitting element driving device, light emitting device, and vehicle
05/05/16Igniter and vehicle
05/05/16Capacitance voltage conversion circuit, input apparatus using the same, electronic instrument, and capacitance voltage conversion method
05/05/16Switching power supply
05/05/16Switching converter
05/05/16Serial data transmission circuit and reception circuit, transmission system using the same, electronic device, and serial data transmission method
05/05/16Switching converter with light source dimming function
04/28/16Pulse wave sensor and semiconductor module
04/28/16Usb power supply apparatus
04/28/16Usb power supply apparatus
04/28/16Power supply adaptor
04/28/16Fan motor driving apparatus and method, cooling system including the same, and electronic equipment
04/28/16Semiconductor device
04/21/16Thermal print head and thermal printer
04/21/16Optical sensor and output circuit thereof
04/21/16Semiconductor memory device
04/21/16Semiconductor device and manufacturing the same
04/21/16Overcurrent protection circuit and switching power apparatus using the same
04/21/16Switching converter and control circuit thereof, current sensing method, ac/dc converter, and power adaptor and electronic devices
04/21/16Switch driving circuit and switching power device using the same
04/21/16Switching power supply circuit
04/21/16Fan motor driving means, driving method, and cooling device and electronic equipment using the same
04/21/16Electronic circuit
04/14/16Clock signal generating circuit
04/14/16Power semiconductor drive circuit, power semiconductor circuit, and power module circuit device
04/07/16Led lamp
04/07/16Light-emitting element
03/24/16Current mode control type switching power supply device
03/24/16Current mode control type switching power supply device
03/24/16Power supply device
03/24/16Power supply device
03/24/16Semiconductor device
03/24/16Semiconductor device
03/24/16Chip resistor and electronic equipment having resistance circuit network
03/24/16Semiconductor device
03/24/16Semiconductor light-emitting device, producing same, and display device
03/24/16Gate driver
03/24/16Driving circuit for light-emitting element with burst dimming control
03/17/16Cancer diagnostic device, diagnostic system, and diagnostic device
03/17/16Bootstrap circuit
03/10/16Led lighting apparatus
03/10/16Data retention control circuit, data writing method, data reading method, testing characteristics of ferroelectric storage device, and semiconductor chip
03/10/16Semiconductor device
03/10/16Semiconductor light emitting device including gaas substrate
03/10/16Device using a piezoelectric element and manufacturing the same
03/10/16Protection switch circuit, charging circuit, and electronic device
03/10/16Switching power supply device
03/10/16Insulation-type synchronous dc/dc converter
03/10/16Driving current generation circuit, led power supply module and led lamp
03/03/16Nitride based semiconductor device
03/03/16Semiconductor device and manufacturing same
03/03/16Light emitting device and optical device
03/03/16Semiconductor laser device and manufacturing method thereof
03/03/16Protection circuit
03/03/16Buck dc/dc converter and control ic thereof, communication machine for office, electric bicycle
03/03/16Gate driving circuit of high-side transistor, switching output circuit, inverter device, and electronic device
02/25/16Regulator circuit and integrated circuit
02/25/16High efficiency module
02/25/16Semiconductor light emitting device
02/25/16Switching circuit
02/25/16Method and system for initializing rf module through non-volatile control
02/18/16Soft start circuit
02/18/16Composite chip component, circuit assembly and electronic apparatus
02/11/16Device using a piezoelectric element and manufacturing the same
02/11/16Led illumination module
02/11/16Chip resistor and making the same
02/11/16Package-in-substrate, semiconductor device and module
02/11/16Semiconductor device having a breakdown voltage holding region
02/11/16Device using a piezoelectric element and manufacturing the same
02/11/16Driving circuit for voice coil motor
02/04/16Power supply device, controller thereof, controlling the same, and electronic device employing the same
02/04/16Memory circuit
02/04/16Multilayered structure, capacitor element, and fabrication the capacitor element
02/04/16Semiconductor device, manufacturing the same, and power module
02/04/16N-channel double diffusion mos transistor, and semiconductor composite device
02/04/16Insulation-type synchronous dc/dc converter
02/04/16Insulation-type synchronous dc/dc converter
01/28/16Lighting system
01/28/16Solid electrolytic capacitor, and manufacturing the same
01/28/16Semiconductor device
01/28/16Semiconductor device
01/28/16Piezoelectric membrane, piezoelectric device, and inkjet head
01/28/16Switching power supply device
01/28/16Parallel interface and integrated circuit
01/21/16Power management circuit and electronic device employing the same
01/21/16Semiconductor device
01/21/16Semiconductor laser device
01/21/16Wireless power receiving device, receiver circuit thereof, and control wireless power receiving device
01/14/16Dc-dc converter and television receiver therewith
01/14/16User interface device
01/14/16Semiconductor device
01/14/16Electronic device
01/14/16Electronic device
01/14/16Motor driving circuit, cooling device and electronic apparatus including the same
01/07/16Noise removal circuit
01/07/16Semiconductor device and making semiconductor device
01/07/16Photodetection device and sensor package
01/07/16Semiconductor device
01/07/16Semiconductor device, and manufacturing the same
01/07/16Semiconductor device
01/07/16Light-emitting element, light-emitting element unit, and light-emitting element package
01/07/16Switching power supply circuit
01/07/16Electronic device and mounting structure of the same
12/31/15Limiting-current type gas sensor, fabrication the limiting-current type gas sensor and sensor network system
12/31/15Touch pad module and electronic device using the same
12/31/15Electro-optical device, measuring characteristics of electro-optical device, and semiconductor chip
12/31/15Semiconductor device including a protective film
12/31/15Semiconductor device and manufacturing method
12/31/15Semiconductor device and manuracturing the same
12/31/15Organic thin film photovoltaic device, fabrication method thereof, and electronic apparatus
12/31/15Overcurrent detection circuit, host using the same, and detecting overcurrent
12/31/15Mobile device
12/31/15Interface circuit
12/24/15Pulse wave sensor
12/24/15Semiconductor device
12/24/15Semiconductor device and semiconductor package
12/24/15Semiconductor device
12/24/15Two-dimensional photonic crystal laser and producing the same
12/24/15Level adjusting circuit, digital sound processor, audio amp integrated circuit, electronic apparatus and automatically adjusting level of audio signal
12/17/15Power module semiconductor device
12/17/15Semiconductor integrated circuit and power supply
12/10/15Audio signal processing circuit and electronic device using the same

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