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Masao Mizukami
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Katsuta, JP
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last 30 patents
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Patent Grant
Method of combining plurality of parts and structure of plurality o...
Patent number
4,815,195
Issue date
Mar 28, 1989
Hitachi, Ltd.
Kazuhiro Tsuruoka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Variable displacement wobble plate compressor with capacity control...
Patent number
4,815,943
Issue date
Mar 28, 1989
Hitachi, Ltd.
Kenichi Kawashima
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor of rotary vane type
Patent number
4,795,325
Issue date
Jan 3, 1989
Hitachi, Ltd.
Atsuo Kishi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Moving vane type compressor
Patent number
4,711,620
Issue date
Dec 8, 1987
Hitachi, Ltd.
Yukio Takahashi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary compressor with inner and outer cylinders and axial insert t...
Patent number
4,515,513
Issue date
May 7, 1985
Hitachi, Ltd.
Isao Hayase
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES