Assignee
KAMATA KOICHIRO
JP·31 granted patents·3 pending applications·189 citations·filing 2010–2012
Top patents by PatentIndex Score
34 records- 0195US8816469B2Semiconductor device comprising protection circuit with oxide semiconductorKAMATA KOICHIRO·Filed 2011·Granted Aug 26, 2014·11 cites·36 claims
- 0293US8588000B2Semiconductor memory device having a reading transistor with a back-gate electrodeKAMATA KOICHIRO·Filed 2011·Granted Nov 19, 2013·14 cites·14 claims
- 0392US8692243B2Semiconductor device and method for manufacturing the sameKAMATA KOICHIRO·Filed 2011·Granted Apr 8, 2014·14 cites·19 claims
- 0492US8588683B2Electronic circuit, semiconductor device, and electronic deviceKAMATA KOICHIRO·Filed 2011·Granted Nov 19, 2013·14 cites·24 claims
- 0592US8466740B2Receiving circuit, LSI chip, and storage mediumKAMATA KOICHIRO·Filed 2011·Granted Jun 18, 2013·13 cites·5 claims
- 0691US9099885B2Wireless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted Aug 4, 2015·16 cites·18 claims
- 0790US9350295B2Modulation circuit and semiconductor device including the sameKAMATA KOICHIRO·Filed 2010·Granted May 24, 2016·10 cites·18 claims
- 0888US9024482B2Power feeding device and wireless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted May 5, 2015·12 cites·18 claims
- 0987US8659941B2Semiconductor memory cell having an oxide semiconductor transistor and erasable by ultraviolet lightKAMATA KOICHIRO·Filed 2010·Granted Feb 25, 2014·12 cites·13 claims
- 1086US9143011B2Power receiving device and contactless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted Sep 22, 2015·6 cites·8 claims
- 1186US8686415B2Semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Apr 1, 2014·10 cites·10 claims
- 1282US9781783B2Light-emitting device, display device, light-emitting system, and display systemKAMATA KOICHIRO·Filed 2012·Granted Oct 3, 2017·5 cites·28 claims
- 1381US8981599B2Power feeding device and contactless power feeding system provided with power feeding deviceKAMATA KOICHIRO·Filed 2011·Granted Mar 17, 2015·3 cites·19 claims
- 1480US8637802B2Photosensor, semiconductor device including photosensor, and light measurement method using photosensorKAMATA KOICHIRO·Filed 2011·Granted Jan 28, 2014·4 cites·8 claims
- 1578US8901777B2Wireless power feeding system and wireless power feeding methodKAMATA KOICHIRO·Filed 2011·Granted Dec 2, 2014·6 cites·15 claims
- 1677US9496743B2Power receiving device and wireless power feed systemKAMATA KOICHIRO·Filed 2011·Granted Nov 15, 2016·5 cites·11 claims
- 1776US8976571B2Method for driving semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Mar 10, 2015·4 cites·12 claims
- 1875US9887583B2Power-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
- 1975US9391476B2Power 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
- 2073US9054544B2Power feeding device, power receiving device, and wireless power feed systemKAMATA KOICHIRO·Filed 2011·Granted Jun 9, 2015·3 cites·16 claims
- 2172US8610180B2Gas sensor and method for manufacturing the gas sensorKAMATA KOICHIRO·Filed 2011·Granted Dec 17, 2013·1 cites·8 claims
- 2271US9461476B2Power transmission device and wireless power transmission system including the sameKAMATA KOICHIRO·Filed 2011·Granted Oct 4, 2016·3 cites·4 claims
- 2371US8416622B2Driving 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
- 2469US9065302B2Wireless power feeding systemKAMATA KOICHIRO·Filed 2011·Granted Jun 23, 2015·3 cites·29 claims
- 2567US9673335B2Rectifier circuit including transistor whose channel formation region includes oxide semiconductorKAMATA KOICHIRO·Filed 2011·Granted Jun 6, 2017·2 cites·19 claims
- 2666US9270124B2Contactless power supply deviceKAMATA KOICHIRO·Filed 2012·Granted Feb 23, 2016·2 cites·22 claims
- 2765US8928466B2Semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Jan 6, 2015·1 cites·25 claims
- 2865US8593858B2Driving method of semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Nov 26, 2013·3 cites·16 claims
- 2950US8686750B2Method for evaluating semiconductor deviceKAMATA KOICHIRO·Filed 2011·Granted Apr 1, 2014·0 cites·6 claims
- 3049US2011309689A1Electric power transmitting device, electric power receiving device, and power supply method using electric power transmitting and receiving devicesKAMATA KOICHIRO·Filed 2011·Application pending·0 cites
- 3146US9054548B2Contactless power feeding systemKAMATA KOICHIRO·Filed 2012·Granted Jun 9, 2015·0 cites·18 claims
- 3244US9325205B2Method for driving power supply systemKAMATA KOICHIRO·Filed 2012·Granted Apr 26, 2016·0 cites·24 claims
- 3344US2012223593A1Power receiving device and wireless power supply systemKAMATA KOICHIRO·Filed 2012·Application pending·0 cites
- 3444US2012193994A1Power receiving device, power supply system, and method for supplying powerKAMATA KOICHIRO·Filed 2011·Application pending·0 cites
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