Isamu Etou

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Fukuoka City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotating scroll machine with oil pump
- Patent number 4,973,232
- Issue date Nov 27, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Isamu Etou
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type vacuum apparatus with oil supply to a compression chamber
- Patent number 4,865,530
- Issue date Sep 12, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuhiro Nishida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type vacuum apparatus with rotating scrolls and discharge valve
- Patent number 4,846,640
- Issue date Jul 11, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuhiro Nishida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type positive displacement apparatus with oil supply to comp...
- Patent number 4,842,499
- Issue date Jun 27, 1989
- Mitsubishi Denki Kabushiki Kaish a
- Mitsuhiro Nishida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...