Inventor · disambiguated record
Koichiro Kamata
Also filed as: KAMATA KOICHIRO
82 granted patents·7 pending applications·353 citations·filing 2005–2022
99Inventor score
Top patents by PatentIndex Score
89 records- 0195US8816469B2Semiconductor device comprising protection circuit with oxide semiconductorKAMATA KOICHIRO·Filed 2011·Granted Aug 26, 2014·11 cites·36 claims
- 0295US8358530B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2011·Granted Jan 22, 2013·22 cites·5 claims
- 0393US9734914B2Method for driving a semiconductor device having a reading transistor coupled to an oxide semiconductor writing transistorSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Aug 15, 2017·12 cites·16 claims
- 0493US8588000B2Semiconductor memory device having a reading transistor with a back-gate electrodeKAMATA KOICHIRO·Filed 2011·Granted Nov 19, 2013·14 cites·14 claims
- 0592US8692243B2Semiconductor device and method for manufacturing the sameKAMATA KOICHIRO·Filed 2011·Granted Apr 8, 2014·14 cites·19 claims
- 0692US8588683B2Electronic circuit, semiconductor device, and electronic deviceKAMATA KOICHIRO·Filed 2011·Granted Nov 19, 2013·14 cites·24 claims
- 0792US8466740B2Receiving circuit, LSI chip, and storage mediumKAMATA KOICHIRO·Filed 2011·Granted Jun 18, 2013·13 cites·5 claims
- 0891US9099885B2Wireless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted Aug 4, 2015·16 cites·18 claims
- 0990US9876395B2Power feeding device and contactless power feeding system provided with power feeding deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jan 23, 2018·3 cites·4 claims
- 1090US9350295B2Modulation circuit and semiconductor device including the sameKAMATA KOICHIRO·Filed 2010·Granted May 24, 2016·10 cites·18 claims
- 1190US8811901B2Wireless power feeding system and wireless power feeding methodSHIONOIRI YUTAKA·Filed 2011·Granted Aug 19, 2014·16 cites·11 claims
- 1289US9998003B2DC-DC converter, power receiving device, and power feeding systemSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jun 12, 2018·6 cites·18 claims
- 1388US9024482B2Power feeding device and wireless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted May 5, 2015·12 cites·18 claims
- 1488US8981518B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Mar 17, 2015·6 cites·32 claims
- 1587US10037808B2Semiconductor device and method for driving semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Jul 31, 2018·6 cites·8 claims
- 1687US8659941B2Semiconductor memory cell having an oxide semiconductor transistor and erasable by ultraviolet lightKAMATA KOICHIRO·Filed 2010·Granted Feb 25, 2014·12 cites·13 claims
- 1786US9143011B2Power receiving device and contactless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted Sep 22, 2015·6 cites·8 claims
- 1886US9046482B2Gas sensor and method for manufacturing the gas sensorSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Jun 2, 2015·4 cites·21 claims
- 1986US8686415B2Semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Apr 1, 2014·10 cites·10 claims
- 2086US8630127B2Semiconductor device and method for driving the sameUOCHI HIDEKI·Filed 2011·Granted Jan 14, 2014·5 cites·10 claims
- 2184US8159257B2Element substrate, inspecting method, and manufacturing method of semiconductor deviceKATO KIYOSHI·Filed 2010·Granted Apr 17, 2012·5 cites·8 claims
- 2283US9819256B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Nov 14, 2017·3 cites·40 claims
- 2383US9768319B2Modulation circuit and semiconductor device including the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Sep 19, 2017·3 cites·21 claims
- 2482US9781783B2Light-emitting device, display device, light-emitting system, and display systemKAMATA KOICHIRO·Filed 2012·Granted Oct 3, 2017·5 cites·28 claims
- 2582US9231429B2Power receiving device and wireless power supply systemSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Jan 5, 2016·6 cites·14 claims
- 2681US9564760B2Contactless power feeding systemSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Feb 7, 2017·3 cites·11 claims
- 2781US8981599B2Power feeding device and contactless power feeding system provided with power feeding deviceKAMATA KOICHIRO·Filed 2011·Granted Mar 17, 2015·3 cites·19 claims
- 2881US2023138802A1Semiconductor device and method for driving the sameSEMICONDUCTOR ENERGY LAB·Filed 2022·Application pending·0 cites
- 2980US9477249B2DC-DC converter, power receiving device, and power feeding systemSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Oct 25, 2016·6 cites·16 claims
- 3080US8836170B2Wireless power feeding system and wireless power feeding methodSHIONOIRI YUTAKA·Filed 2011·Granted Sep 16, 2014·6 cites·28 claims
- 3180US8637802B2Photosensor, semiconductor device including photosensor, and light measurement method using photosensorKAMATA KOICHIRO·Filed 2011·Granted Jan 28, 2014·4 cites·8 claims
- 3280US7821279B2Element substrate, inspecting method, and manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Oct 26, 2010·6 cites·5 claims
- 3379US9502920B2Power receiving device, power transmission device, and power feeding systemSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Nov 22, 2016·5 cites·13 claims
- 3478US8901777B2Wireless power feeding system and wireless power feeding methodKAMATA KOICHIRO·Filed 2011·Granted Dec 2, 2014·6 cites·15 claims
- 3578US8368209B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2010·Granted Feb 5, 2013·5 cites·12 claims
- 3677US9496743B2Power receiving device and wireless power feed systemKAMATA KOICHIRO·Filed 2011·Granted Nov 15, 2016·5 cites·11 claims
- 3776US10340739B2Power receiving device, power transmission device, and power feeding systemSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jul 2, 2019·2 cites·14 claims
- 3876US9246357B2Contactless power feeding systemSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Jan 26, 2016·4 cites·17 claims
- 3976US8976571B2Method for driving semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Mar 10, 2015·4 cites·12 claims
- 4076US8952728B2Semiconductor device and method of driving semiconductor deviceTAKEWAKI YOSHIYA·Filed 2011·Granted Feb 10, 2015·5 cites·17 claims
- 4175US11843259B2Power feeding device, power receiving device, and wireless power feed systemSEMICONDUCTOR ENERGY LAB·Filed 2022·Granted Dec 12, 2023·0 cites·4 claims
- 4275US9887583B2Power-receiving device, wireless power-feeding system including power-receiving device, and wireless communication system including power-receiving deviceKAMATA KOICHIRO·Filed 2012·Granted Feb 6, 2018·4 cites·22 claims
- 4375US9391476B2Power feeding device, wireless power feeding system using the same and wireless power feeding methodKAMATA KOICHIRO·Filed 2011·Granted Jul 12, 2016·4 cites·31 claims
- 4475US7923733B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2009·Granted Apr 12, 2011·4 cites·30 claims
- 4573US9054544B2Power feeding device, power receiving device, and wireless power feed systemKAMATA KOICHIRO·Filed 2011·Granted Jun 9, 2015·3 cites·16 claims
- 4672US8610180B2Gas sensor and method for manufacturing the gas sensorKAMATA KOICHIRO·Filed 2011·Granted Dec 17, 2013·1 cites·8 claims
- 4772US8432730B2Semiconductor device and method for driving the sameUOCHI HIDEKI·Filed 2011·Granted Apr 30, 2013·3 cites·9 claims
- 4871US11551751B2Semiconductor device and method for driving the sameSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Jan 10, 2023·0 cites·13 claims
- 4971US9461476B2Power transmission device and wireless power transmission system including the sameKAMATA KOICHIRO·Filed 2011·Granted Oct 4, 2016·3 cites·4 claims
- 5071US8416622B2Driving method of a semiconductor device with an inverted period having a negative potential applied to a gate of an oxide semiconductor transistorKAMATA KOICHIRO·Filed 2011·Granted Apr 9, 2013·4 cites·8 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →