Takaharu Ishikawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum pump
- Patent number 6,991,439
- Issue date Jan 31, 2006
- BOC Edwards Technologies Limited
- Takaharu Ishikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Connecting structure for vacuum pump
- Patent number 6,899,529
- Issue date May 31, 2005
- BOC Edwards Technologies Limited
- Takaharu Ishikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vacuum pump
- Patent number 6,840,736
- Issue date Jan 11, 2005
- BOC Edwards Technologies Limited
- Yoshinobu Ohtachi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Vacuum pump
- Publication number 20030175131
- Publication date Sep 18, 2003
- Takaharu Ishikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Vacuum pump
- Publication number 20030175132
- Publication date Sep 18, 2003
- Takaharu Ishikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Vacuum pump having mechanism for restraining vibrations
- Publication number 20030053918
- Publication date Mar 20, 2003
- Akira Yamauchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Connecting structure for vacuum pump
- Publication number 20030035737
- Publication date Feb 20, 2003
- Takaharu Ishikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Vacuum pump
- Publication number 20030007862
- Publication date Jan 9, 2003
- Yoshinobu Ohtachi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...