Shigetaro Tagawa

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Displacement type fluid machine
- Patent number 6,312,237
- Issue date Nov 6, 2001
- Hitachi, Ltd.
- Takeshi Kouno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Displacement type fluid machine
- Patent number 6,220,841
- Issue date Apr 24, 2001
- Hitachi, Ltd.
- Takeshi Kouno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Horizontal type rotary compressor
- Patent number 4,636,154
- Issue date Jan 13, 1987
- Hitachi, Ltd.
- Masahiko Sugiyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary compressor with spiral oil grooves for crankshaft
- Patent number 4,626,180
- Issue date Dec 2, 1986
- Hitachi, Ltd.
- Shigetaro Tagawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary compressor with tapered valve ports for lubricating pump
- Patent number 4,561,829
- Issue date Dec 31, 1985
- Hitachi, Ltd.
- Hiroshi Iwata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil feeder means for use in a horizontal type rotary compressor
- Patent number 4,544,338
- Issue date Oct 1, 1985
- Hitachi, Ltd.
- Masahiro Takebayashi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Displacement type fluid machine
- Publication number 20010008610
- Publication date Jul 19, 2001
- Takeshi Kouno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...