Michio Okamoto

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Machida-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Component for vacuum apparatus, production method thereof and appar...
- Patent number 7,531,232
- Issue date May 12, 2009
- Tosoh Corporation
- Koyata Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Quartz glass parts, ceramic parts and process of producing those
- Patent number 6,902,814
- Issue date Jun 7, 2005
- Tosoh Corporation
- Koyata Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Component for vacuum apparatus, production method thereof and appar...
- Publication number 20050084654
- Publication date Apr 21, 2005
- TOSOH CORPORATION
- Koyata Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Quartz glass parts, ceramic parts and process of producing those
- Publication number 20030091835
- Publication date May 15, 2003
- TOSOH CORPORATION
- Koyata Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...