KI

Katsuei Ichikawa

MA Maxell: 6 patents #102 of 437Top 25%
RE Renesas Electronics: 5 patents #829 of 4,529Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #268,614 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12040633 Wireless power transfer using inductive coupling 2024-07-16
11581758 Power transfer coil 2023-02-14
11404912 Power reception unit, power transmission unit, and wireless power transfer device Yoshikazu Sugiyama, Yasuo Yahagi, Takatoshi Shirosugi 2022-08-02
11303325 Electric power transmitting device, non-contact power supply system, and control method 2022-04-12
11095167 Power transmission device 2021-08-17
11018528 Wireless power transmission/reception system, power conversion device including the same, and power conversion method Yoshikazu Sugiyama, Yasuaki Norimatsu 2021-05-25
10971953 Contactless power receiving device, contactless power transfer device, and contactless power transfer and receiving device Osamu Kawamae 2021-04-06
10971952 Wireless power transfer device Osamu Kawamae 2021-04-06
10404107 Non-contact charging device, and non-contact power supply system using same 2019-09-03
10177817 Electric power transmitting device, non-contact power supply system, and control method 2019-01-08
10075025 Power transmission device, wireless power feeding system, and control method 2018-09-11
10050474 Non-contact power transmission system, receiving apparatus and transmitting apparatus 2018-08-14
9991731 Non-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 same 2018-06-05
9958345 Rotating body non-contact power-feeding device and torque sensor Atsuo SOMA, Kentarou Miyajima, Kisho Ashida, Makoto Ishii, Motohiro Sasaki +2 more 2018-05-01
9960641 Non-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 coil Atsuo SOMA, Kentarou Miyajima, Kisho Ashida, Makoto Ishii, Motohiro Sasaki +2 more 2018-05-01
9154003 Non-contact power transmission system, receiving apparatus and transmitting apparatus 2015-10-06
8531059 Wireless power transfer system and a load apparatus in the same wireless power transfer system Taku Takaki 2013-09-10