Akira Nishiuchi

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum pump
- Patent number 5,664,935
- Issue date Sep 9, 1997
- Hitachi, Ltd.
- Akira Nishiuchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbo vacuum pump
- Patent number 5,536,148
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Akira Nishiuchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbo vacuum pump
- Patent number 5,501,583
- Issue date Mar 26, 1996
- Hitachi, Ltd.
- Takashi Nagaoka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbo vacuum pump
- Patent number 5,380,171
- Issue date Jan 10, 1995
- Hitachi, Ltd.
- Takashi Nagaoka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vacuum pump
- Patent number 4,904,155
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Takashi Nagaoka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...