Yasuhiro Oshima

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Tochigi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Displacement fluid machine
- Patent number 6,217,303
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Hirokatsu Kohsokabe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Displacement fluid machine
- Patent number 6,099,279
- Issue date Aug 8, 2000
- Hitachi, Ltd.
- Hirokatsu Kohsokabe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Electrically driven hermetic compressor
- Patent number 5,816,783
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Yasuhiro Oshima
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll fluid machine, scroll member and processing method thereof
- Patent number 5,554,017
- Issue date Sep 10, 1996
- Hitachi, Ltd.
- Hirokatsu Kohsokabe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll fluid machine, scroll member and processing method thereof
- Patent number 5,427,512
- Issue date Jun 27, 1995
- Hitachi, Ltd.
- Hirokatsu Kohsokabe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Rotary fluid machine having hollow vanes and refrigeration apparatu...
- Patent number 5,090,882
- Issue date Feb 25, 1992
- Hitachi, Ltd.
- Yukio Serizawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES