Hiroyasu Kawashima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Turbo vacuum pump
- Patent number 8,172,515
- Issue date May 8, 2012
- Ebara Corporation
- Hiroyasu Kawashima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbo vacuum pump and semiconductor manufacturing apparatus having...
- Patent number 8,066,495
- Issue date Nov 29, 2011
- Ebara Corporation
- Shinichi Sekiguchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbo vacuum pump and semiconductor manufacturing apparatus having...
- Patent number 7,717,684
- Issue date May 18, 2010
- Ebara Corporation
- Shinichi Sekiguchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Flowmeter having a float and a displacement sensor
- Patent number 7,360,454
- Issue date Apr 22, 2008
- Ebara Corporation
- Hiroyasu Kawashima
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
TURBO VACUUM PUMP AND SEMICONDUCTOR MANUFACTURING APPARATUS HAVING...
- Publication number 20100047096
- Publication date Feb 25, 2010
- EBARA CORPORATION
- Shinichi Sekiguchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
TURBO VACUUM PUMP
- Publication number 20090196734
- Publication date Aug 6, 2009
- EBARA CORPORATION
- Hiroyasu Kawashima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Flowmeter
- Publication number 20060254368
- Publication date Nov 16, 2006
- Hiroyasu Kawashima
- G01 - MEASURING TESTING
Information Patent Application
Turbo vacuum pump and semiconductor manufacturing apparatus having...
- Publication number 20050042118
- Publication date Feb 24, 2005
- EBARA CORPORATION
- Shinichi Sekiguchi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...