Tomoyasu Takahashi

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vane compressor
- Patent number 6,056,525
- Issue date May 2, 2000
- Zexel Corporation
- Toshihiro Murayama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Vane compressor having a single suction groove formed in a side mem...
- Patent number 6,022,204
- Issue date Feb 8, 2000
- Zexel Corporation
- Toshihiro Murayama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Vane compressor having a movable pressure plate and a unitary front...
- Patent number 5,924,856
- Issue date Jul 20, 1999
- Zexel Corporation
- Toshihiro Murayama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Delivery valve assembly for compressor
- Patent number 5,921,273
- Issue date Jul 13, 1999
- Zexel Corporation
- Mitsuya Ono
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electrolessly plated nickel/phosphorus/boron system coatings and ma...
- Patent number 5,897,965
- Issue date Apr 27, 1999
- Zexel Corporation
- Hideya Itoh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...