Kazuyuki Ogiwara

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Patents Grantslast 30 patents

Information Patent Grant
Power supply for vibrating compressors
- Patent number 5,658,132
- Issue date Aug 19, 1997
- Sawafuji Electric Co., Ltd.
- Naoki Akazawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power supply for vibrating compressors
- Patent number 5,656,896
- Issue date Aug 12, 1997
- Sawafuji Electric Co., Ltd.
- Kazuyuki Ogiwara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Engine-driven power generating system with over-current protection...
- Patent number 5,257,174
- Issue date Oct 26, 1993
- Sawafuji Electric Co., Ltd.
- Kazuyuki Ogiwara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic planing control system
- Patent number 5,169,348
- Issue date Dec 8, 1992
- Sawafuji Electric Co., Ltd.
- Kazuyuki Ogiwara
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT