Koji Tomita

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluid machine having screw rotors with a straight portion to be chu...
- Patent number RE36949
- Issue date Nov 7, 2000
- Tochigi Fuji Sangyo Kabushiki Kaisha
- Masao Tateno
- 418 - Rotary expansible chamber devices
Information Patent Grant
Method of processing screw rotor
- Patent number 5,806,182
- Issue date Sep 15, 1998
- Tochigi Fuji Sangyo Kabushiki Kaisha
- Masao Tateno
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluid machine having balance correction
- Patent number 5,797,735
- Issue date Aug 25, 1998
- Tochigi Fuji Sangyo Kabushiki Kaisha
- Susumu Ishikawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Screw type compressor rotor, rotor casting core and method of manuf...
- Patent number 5,772,418
- Issue date Jun 30, 1998
- Tochigi Fuji Sangyo Kabushiki Kaisha
- Masao Tateno
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fluid machine having screw rotors with a straight portion to be chu...
- Patent number 5,692,889
- Issue date Dec 2, 1997
- Tochigi Fuji Sangyo Kabushiki Kaisha
- Masao Tateno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...