Yasuo Kusumi

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Akishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold for producing glass articles
- Patent number 5,125,949
- Issue date Jun 30, 1992
- Hoya Corporation
- Shinichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing glass mold
- Patent number 4,882,827
- Issue date Nov 28, 1989
- Hoya Corporation
- Yasuo Kusumi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...