Yoshihiro Ishida

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing apparatus and method for producing semiconductors using t...
- Patent number 7,166,013
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Shigeo Moriyama
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus and method for producing semiconductors using t...
- Patent number 7,137,866
- Issue date Nov 21, 2006
- Hitachi Ltd.
- Shigeo Moriyama
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing method and apparatus
- Patent number 6,478,977
- Issue date Nov 12, 2002
- Hitachi, Ltd.
- Shigeo Moriyama
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing method and apparatus
- Patent number 6,180,020
- Issue date Jan 30, 2001
- Hitachi, Ltd.
- Shigeo Moriyama
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Polishing apparatus and method for producing semiconductors using t...
- Publication number 20060057940
- Publication date Mar 16, 2006
- Shigeo Moriyama
- B24 - GRINDING POLISHING
Information Patent Application
Polishing apparatus and method for producing semiconductors using t...
- Publication number 20050095960
- Publication date May 5, 2005
- Shigeo Moriyama
- B24 - GRINDING POLISHING
Information Patent Application
Polishing apparatus and method for producing semiconductors using t...
- Publication number 20030199238
- Publication date Oct 23, 2003
- Shigeo Moriyama
- B24 - GRINDING POLISHING