Inventor
KAMATA KOICHIRO
JP82 patents
⚠️ This page may combine multiple inventors who share the name “KAMATA KOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAMATA KOICHIRO
24 patentsUS9099885B2Aug 4, 2015
Wireless power feeding system
KAMATA KOICHIRO16 citations93
US8588000B2Nov 19, 2013
Semiconductor memory device having a reading transistor with a back-gate electrode
KAMATA KOICHIRO14 citations93
US9350295B2May 24, 2016
Modulation circuit and semiconductor device including the same
KAMATA KOICHIRO10 citations84
US8816469B2Aug 26, 2014
Semiconductor device comprising protection circuit with oxide semiconductor
KAMATA KOICHIRO11 citations84
US8692243B2Apr 8, 2014
Semiconductor device and method for manufacturing the same
KAMATA KOICHIRO14 citations84
US8686415B2Apr 1, 2014
Semiconductor device
KAMATA KOICHIRO10 citations84
US8659941B2Feb 25, 2014
Semiconductor memory cell having an oxide semiconductor transistor and erasable by ultraviolet light
KAMATA KOICHIRO12 citations84
US8588683B2Nov 19, 2013
Electronic circuit, semiconductor device, and electronic device
KAMATA KOICHIRO14 citations84
US8466740B2Jun 18, 2013
Receiving circuit, LSI chip, and storage medium
KAMATA KOICHIRO13 citations84
US9024482B2May 5, 2015
Power feeding device and wireless power feeding system
KAMATA KOICHIRO12 citations83
US9887583B2Feb 6, 2018
Power-receiving device, wireless power-feeding system including power-receiving device, and wireless communication system including power-receiving device
KAMATA KOICHIRO4 citations73
US9781783B2Oct 3, 2017
Light-emitting device, display device, light-emitting system, and display system
KAMATA KOICHIRO5 citations73
US9673335B2Jun 6, 2017
Rectifier circuit including transistor whose channel formation region includes oxide semiconductor
KAMATA KOICHIRO2 citations73
US9496743B2Nov 15, 2016
Power receiving device and wireless power feed system
KAMATA KOICHIRO5 citations73
US9461476B2Oct 4, 2016
Power transmission device and wireless power transmission system including the same
KAMATA KOICHIRO3 citations73
US9143011B2Sep 22, 2015
Power receiving device and contactless power feeding system
KAMATA KOICHIRO6 citations73
US8976571B2Mar 10, 2015
Method for driving semiconductor device
KAMATA KOICHIRO4 citations73
US8637802B2Jan 28, 2014
Photosensor, semiconductor device including photosensor, and light measurement method using photosensor
KAMATA KOICHIRO4 citations73
US9391476B2Jul 12, 2016
Power feeding device, wireless power feeding system using the same and wireless power feeding method
KAMATA KOICHIRO4 citations72
US8901777B2Dec 2, 2014
Wireless power feeding system and wireless power feeding method
KAMATA KOICHIRO6 citations72
US9270124B2Feb 23, 2016
Contactless power supply device
KAMATA KOICHIRO2 citations63
US8981599B2Mar 17, 2015
Power feeding device and contactless power feeding system provided with power feeding device
KAMATA KOICHIRO3 citations63
US8593858B2Nov 26, 2013
Driving method of semiconductor device
KAMATA KOICHIRO3 citations63
US8416622B2Apr 9, 2013
Driving method of a semiconductor device with an inverted period having a negative potential applied to a gate of an oxide semiconductor transistor
KAMATA KOICHIRO4 citations63
SEMICONDUCTOR ENERGY LAB
20 patentsUS8358530B2Jan 22, 2013
Semiconductor device
SEMICONDUCTOR ENERGY LAB22 citations93
US10037808B2Jul 31, 2018
Semiconductor device and method for driving semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations84
US9734914B2Aug 15, 2017
Method for driving a semiconductor device having a reading transistor coupled to an oxide semiconductor writing transistor
SEMICONDUCTOR ENERGY LAB12 citations84
US9231429B2Jan 5, 2016
Power receiving device and wireless power supply system
SEMICONDUCTOR ENERGY LAB6 citations84
US8981518B2Mar 17, 2015
Semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations84
US9998003B2Jun 12, 2018
DC-DC converter, power receiving device, and power feeding system
SEMICONDUCTOR ENERGY LAB6 citations83
US9477249B2Oct 25, 2016
DC-DC converter, power receiving device, and power feeding system
SEMICONDUCTOR ENERGY LAB6 citations83
US7821279B2Oct 26, 2010
Element substrate, inspecting method, and manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations74
US10340739B2Jul 2, 2019
Power receiving device, power transmission device, and power feeding system
SEMICONDUCTOR ENERGY LAB2 citations73
US9876395B2Jan 23, 2018
Power feeding device and contactless power feeding system provided with power feeding device
SEMICONDUCTOR ENERGY LAB3 citations73
US9819256B2Nov 14, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB3 citations73
US9768319B2Sep 19, 2017
Modulation circuit and semiconductor device including the same
SEMICONDUCTOR ENERGY LAB3 citations73
US9564760B2Feb 7, 2017
Contactless power feeding system
SEMICONDUCTOR ENERGY LAB3 citations73
US9502920B2Nov 22, 2016
Power receiving device, power transmission device, and power feeding system
SEMICONDUCTOR ENERGY LAB5 citations73
US9246357B2Jan 26, 2016
Contactless power feeding system
SEMICONDUCTOR ENERGY LAB4 citations73
US9046482B2Jun 2, 2015
Gas sensor and method for manufacturing the gas sensor
SEMICONDUCTOR ENERGY LAB4 citations73
US9641223B2May 2, 2017
Power receiving device and power feeding system
SEMICONDUCTOR ENERGY LAB3 citations72
US8368209B2Feb 5, 2013
Semiconductor device
SEMICONDUCTOR ENERGY LAB5 citations70
US11551751B2Jan 10, 2023
Semiconductor device and method for driving the same
SEMICONDUCTOR ENERGY LAB0 citations63
US8873308B2Oct 28, 2014
Signal processing circuit
SEMICONDUCTOR ENERGY LAB2 citations63
SHIONOIRI YUTAKA
2 patentsUOCHI HIDEKI
2 patentsKATO KIYOSHI
1 patentTAKEWAKI YOSHIYA
1 patentShowing the top 50 of 82 patents by PatentIndex Score.