Masaji Hagiwara

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scroll compressor having a gear oil pump accommodating reverse rota...
- Patent number 5,494,421
- Issue date Feb 27, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Katsuyoshi Wada
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type compressor having radial scroll clearance during revers...
- Patent number 5,474,434
- Issue date Dec 12, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Katsuyoshi Wada
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type compressor having clearances during reverse rotation an...
- Patent number 5,447,419
- Issue date Sep 5, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Katsuyoshi Wada
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll-type compressor having decreased eccentricity upon reverse r...
- Patent number 5,433,589
- Issue date Jul 18, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Katsuyoshi Wada
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Lubrication of a horizontal rotary compressor
- Patent number 5,098,266
- Issue date Mar 24, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Naoshi Takimoto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...