Yasuyuki Ohnishi

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device equipped with a voltage step-up circuit
- Patent number 7,190,211
- Issue date Mar 13, 2007
- Rohm Co., Ltd.
- Michio Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device equipped with a voltage step-up circuit
- Patent number 6,888,399
- Issue date May 3, 2005
- Rohm Co., Ltd.
- Michio Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor speed control circuit for a videocassette recorder
- Patent number 5,973,873
- Issue date Oct 26, 1999
- Rohm Co., Ltd.
- Yasuyuki Ohnishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor control circuit which reduces the speed control gain and disa...
- Patent number 5,726,822
- Issue date Mar 10, 1998
- Rohm Co., Ltd.
- Yo Sawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor controller
- Patent number 5,689,163
- Issue date Nov 18, 1997
- Rohm Co. Ltd.
- Yasuyuki Ohnishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor Device Equipped with a Voltage Step-Up Circuit
- Publication number 20070122964
- Publication date May 31, 2007
- Rohm Co., Ltd.
- Michio Nakagawa
- G05 - CONTROLLING REGULATING
Information Patent Application
Semiconductor device equipped with a voltage step-up circuit
- Publication number 20050134362
- Publication date Jun 23, 2005
- ROHM CO., LTD.
- Michio Nakagawa
- G05 - CONTROLLING REGULATING
Information Patent Application
Semiconductor device equipped with a voltage step-up circuit
- Publication number 20030151449
- Publication date Aug 14, 2003
- ROHM CO., LTD.
- Michio Nakagawa
- G05 - CONTROLLING REGULATING