Assignee
ICHIKAWA KEIICHI
JP·14 granted patents·1 pending application·75 citations·filing 2002–2012
Top patents by PatentIndex Score
15 records- 0190US8536739B2Power transfer system and noncontact charging deviceICHIKAWA KEIICHI·Filed 2011·Granted Sep 17, 2013·15 cites·18 claims
- 0285US9000621B2Power transmitting device, power receiving device, and power transmission systemICHIKAWA KEIICHI·Filed 2012·Granted Apr 7, 2015·7 cites·9 claims
- 0385US8552596B2Power transmitting apparatus and power transmission systemICHIKAWA KEIICHI·Filed 2011·Granted Oct 8, 2013·12 cites·15 claims
- 0481US8476789B2Power transmitting apparatus, power receiving apparatus, and power transmission systemICHIKAWA KEIICHI·Filed 2011·Granted Jul 2, 2013·8 cites·23 claims
- 0580US8907617B2Power transfer system and noncontact charging deviceICHIKAWA KEIICHI·Filed 2011·Granted Dec 9, 2014·7 cites·11 claims
- 0676US9172276B2Power transmission device and power transfer systemICHIKAWA KEIICHI·Filed 2012·Granted Oct 27, 2015·5 cites·11 claims
- 0776US8937409B2Power transfer system and noncontact charging deviceICHIKAWA KEIICHI·Filed 2011·Granted Jan 20, 2015·5 cites·12 claims
- 0874US8987941B2Power transmission systemICHIKAWA KEIICHI·Filed 2011·Granted Mar 24, 2015·5 cites·19 claims
- 0971US8772978B2Power transmitting apparatus, power receiving apparatus, and wireless power transmission systemICHIKAWA KEIICHI·Filed 2011·Granted Jul 8, 2014·5 cites·14 claims
- 1068US9281719B2High-frequency power device, power transmission device, and power transfer systemICHIKAWA KEIICHI·Filed 2012·Granted Mar 8, 2016·3 cites·12 claims
- 1166US9246553B2Power reception device and power transmission deviceICHIKAWA KEIICHI·Filed 2012·Granted Jan 26, 2016·2 cites·20 claims
- 1265US8160891B2Method and system for distributing disaster informationICHIKAWA KEIICHI·Filed 2002·Granted Apr 17, 2012·1 cites·6 claims
- 1356US8615402B2Method and system for distributing disaster informationICHIKAWA KEIICHI·Filed 2012·Granted Dec 24, 2013·0 cites·9 claims
- 1446US9461477B2Power transfer systemICHIKAWA KEIICHI·Filed 2012·Granted Oct 4, 2016·0 cites·13 claims
- 1540US2008074204A1High-Frequency Oscillator Circuit and Transmitter-ReceiverICHIKAWA KEIICHI·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →