Keiichirou Koyashiki

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Conductive resin composition
- Patent number 9,234,080
- Issue date Jan 12, 2016
- Ube Industries, Ltd.
- Hideya Yoshitake
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Honeycomb structure of aromatic polyimide
- Patent number 4,921,744
- Issue date May 1, 1990
- Ube Industries, Ltd.
- Kazuhiko Mitsui
- B32 - LAYERED PRODUCTS
Information Patent Grant
Honeycomb structure of aromatic polyimide
- Patent number 4,921,745
- Issue date May 1, 1990
- Ube Industries, Ltd.
- Kazuhiko Mitsui
- B32 - LAYERED PRODUCTS