Patents/Inventors

Yasuhiro Kiyofuji

TokyoJP3 patents

3 Patents

US123553772025
Adjustable Speed Generator Motor System with Full Power Converter
HITACHI INDUSTRIAL PRODUCTS, Ltd.
0 cites
US123087692025
Adjustable Speed Generator Motor System with Full Power Converter
HITACHI INDUSTRIAL PRODUCTS, Ltd.
0 cites
US122890632025
Modular Multilevel Power Converter and Variable Speed Generator-motor
HITACHI, Ltd.
0 cites