Hitoshi Ohura

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Driving equipment and semiconductor equipment for alternating-curre...
- Patent number 6,828,752
- Issue date Dec 7, 2004
- Hitachi, Ltd.
- Junnosuke Nakatsugawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor driving circuit, a method for driving a motor, and a semicond...
- Patent number 6,534,948
- Issue date Mar 18, 2003
- Hitachi, Ltd.
- Hitoshi Ohura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driver circuit, driver integrated circuit, and display device and e...
- Patent number 6,040,827
- Issue date Mar 21, 2000
- Hitachi, Ltd.
- Kazuhiro Shiina
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Semiconductor circuit having turn-on prevention capability of switc...
- Patent number 5,818,281
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Hitoshi Ohura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Squirrel-cage induction motor
- Patent number 4,562,397
- Issue date Dec 31, 1985
- Hitachi, Ltd.
- Yukio Kitabayashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Driving equipment and semiconductor equipment for alternating-curre...
- Publication number 20040056632
- Publication date Mar 25, 2004
- Junnosuke Nakatsugawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor driving circuit, a method for driving a motor, and a semicond...
- Publication number 20010040440
- Publication date Nov 15, 2001
- Hitoshi Ohura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER