Koichi Sato

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Utsunomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary compressor and blade tip structure
- Patent number 5,494,423
- Issue date Feb 27, 1996
- Hitachi, Ltd.
- Akihiko Ishiyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES