Inventor

ICHIKAWA KATSUEI

JP18 patents

⚠️ This page may combine multiple inventors who share the name “ICHIKAWA KATSUEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ICHIKAWA KATSUEI

MAXELL LTD

Wireless power transfer using inductive coupling

Power transfer coil

Power transmission device

Wireless power transfer device

Contactless power receiving device, contactless power transfer device, and contactless power transfer and receiving device

Wireless power receiving device, wireless power transmitting device, wireless earphone, LED device, and wireless power transmitting and receiving system

RENESAS ELECTRONICS CORP

Non-contact charging device, and non-contact power supply system using same

Electric power transmitting device, non-contact power supply system, and control method

Power transmission device, wireless power feeding system, and control method

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

Electric power transmitting device, non-contact power supply system, and control method

ICHIKAWA KATSUEI

Wireless power transfer system and a load apparatus in the same wireless power transfer system

Non-contact power transmission system, receiving apparatus and transmitting apparatus

HITACHI LTD

Power reception unit, power transmission unit, and wireless power transfer device

Wireless power transmission/reception system, power conversion device including the same, and power conversion method

HITACHI AUTOMOTIVE SYSTEMS LTD

Rotating body non-contact power-feeding device and torque sensor

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

HITACHI MAXELL

Non-contact power transmission system, receiving apparatus and transmitting apparatus