Kazumi Aiba

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Shimizu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scroll-type fluid machine with configured wrap edges and grooves
- Patent number 4,690,625
- Issue date Sep 1, 1987
- Hitachi, Ltd.
- Akira Murayama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method of and apparatus for positioning compressor scroll member
- Patent number 4,649,611
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Mitsuo Ikeda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method of and apparatus for processing a scroll member for a scroll...
- Patent number 4,615,091
- Issue date Oct 7, 1986
- Hitachi, Ltd.
- Toshikazu Niwa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing scroll type compressor
- Patent number 4,550,480
- Issue date Nov 5, 1985
- Hitachi, Ltd.
- Minoru Tanikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...