Toshisuke Mine

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Patents Grantslast 30 patents

Information Patent Grant
Driving system for driving AC motor
- Patent number 6,492,790
- Issue date Dec 10, 2002
- Hitachi, Ltd.
- Toshifumi Yoshikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor electric power conversion device
- Patent number 6,490,187
- Issue date Dec 3, 2002
- Hitachi, Ltd.
- Kazuhisa Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current source power converting apparatus with overvoltage protection
- Patent number 4,884,182
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Takeki Ando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Elevator control apparatus
- Patent number 4,773,508
- Issue date Sep 27, 1988
- Hitachi, Ltd.
- Toshisuke Mine
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
dv/dt Protection circuit device for an AC-DC converter apparatus
- Patent number 4,636,932
- Issue date Jan 13, 1987
- Hitachi, Ltd.
- Toshiaki Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor electric power conversion device
- Publication number 20020034089
- Publication date Mar 21, 2002
- Hitachi, Ltd.
- Kazuhisa Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving system for driving AC motor
- Publication number 20020005704
- Publication date Jan 17, 2002
- Toshifumi Yoshikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER