Inventor
Katsuei Ichikawa
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks32%
H04BTransmission21%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure7%
H01FMagnets7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
Y02TClimate change mitigation technologies related to transportation7%
B62MRider propulsion of wheeled vehicles or sledges4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
H03HImpedance networks, e.g. resonant circuits4%
PatentTitleYear
10,404,107Non-contact charging device, and non-contact power supply system using same201910,177,817Electric power transmitting device, non-contact power supply system, and control method201910,075,025Power transmission device, wireless power feeding system, and control method201810,050,474Non-contact power transmission system, receiving apparatus and transmitting apparatus20189,991,731Non-contact charging device with wireless communication antenna coil for data transfer and electric power transmitting antenna coil for transfer of electric power, and non-contact power supply system using same20189,960,641Non-contact power feeding device used in torque sensor having a coil enclosed in peripheral side of a resonance coil and is magnetically coupled with the resonance coil20189,958,345Rotating body non-contact power-feeding device and torque sensor20189,154,003'Non-contact power transmission system, receiving apparatus and transmitting apparatus'20158,531,059'Wireless power transfer system and a load apparatus in the same wireless power transfer system'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2015Patents assigned to ICHIKAWA KATSUEI (2)· patent assignee history
2013Patents assigned to HITACHI CONSUMER ELECTRONICS (1)· patent assignee history
2013–2018Based in Yokohama, JP· patent location history
2015–2018Patents assigned to HITACHI MAXELL (2)· patent assignee history
2018–2019Patents assigned to RENESAS ELECTRONICS CORP (4)· patent assignee history
2018Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (2)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RENESAS ELECTRONICS CORP | 4 | 2018–2019 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 2 | 2018 |
| HITACHI MAXELL | 2 | 2015–2018 |
| ICHIKAWA KATSUEIself | 2 | 2013–2015 |
| HITACHI CONSUMER ELECTRONICS | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2018–2019 |
| Yokohama, JP | 3 | 2013–2018 |