Hiroshi Aoi

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Annaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making an optical waveguide substrate
- Patent number 6,436,728
- Issue date Aug 20, 2002
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Manufacture of optical waveguide substrate
- Publication number 20020020194
- Publication date Feb 21, 2002
- SHIN-ETSU CHEMICAL CO., LTD.
- Shinji Makikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Making method of optical waveguide substrate
- Publication number 20010034074
- Publication date Oct 25, 2001
- Shinji Makikawa
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon surface oxidation device and method of fabricating optical...
- Publication number 20010022094
- Publication date Sep 20, 2001
- Shinji Makikawa
- C30 - CRYSTAL GROWTH