Jyoji Okamoto

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Yanai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scroll compressor with a stationary and orbiting member of differen...
- Patent number 5,125,810
- Issue date Jun 30, 1992
- Hitachi, Ltd.
- Kazutaka Suefuji
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll fluid machine having wrap start portion with thick base and...
- Patent number 5,037,279
- Issue date Aug 6, 1991
- Hitachi, Ltd.
- Kazutaka Suefuji
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Capacity-controllable air conditioner
- Patent number 4,989,414
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Akira Murayama
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Scroll-type fluid machine with different terminal end wrap angles
- Patent number 4,904,170
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Kazutaka Suefuji
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Anti-rotation mechanism for use with orbiting scroll member of scro...
- Patent number 4,810,176
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Kazutaka Suefuji
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method of operating air conditioner
- Patent number 4,368,621
- Issue date Jan 18, 1983
- Hitachi, Ltd.
- Naoto Yamaguma
- F24 - HEATING RANGES VENTILATING