Katsumi Nakama

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of soluble ion-doped poly (alkyl-substitute...
- Patent number 5,514,771
- Issue date May 7, 1996
- Toho Rayon Co., Ltd.
- Katsumi Nakama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carbon fiber chopped strands and method of production thereof
- Patent number 5,227,238
- Issue date Jul 13, 1993
- Toho Rayon Co., Ltd.
- Minoru Hirai
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing electrically conductive polymer film by elect...
- Patent number 5,126,017
- Issue date Jun 30, 1992
- Toho Rayon Co., Ltd.
- Katsumi Nakama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carbon fiber and resin composition reinforced by the same
- Patent number 4,474,906
- Issue date Oct 2, 1984
- Toho Beslon Co., Ltd.
- Katsumi Nakama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...