Yasuo Nakagawa

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Iwakuni-shi, Yamaguchi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Core-in-sheath type aromatic polyamide fiber and process for produc...
- Patent number 4,309,476
- Issue date Jan 5, 1982
- Teijin Limited
- Tsutomu Nakamura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Aromatic polyamide composition
- Patent number 4,278,779
- Issue date Jul 14, 1981
- Yasuo Nakagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Wholly aromatic polyamide blend composition
- Patent number 4,245,066
- Issue date Jan 13, 1981
- Teijin Limited
- Yasuo Nakagawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing polyamides with lactam or urea solvent and Ca...
- Patent number 4,172,938
- Issue date Oct 30, 1979
- Teijin Limited
- Hiroshi Mera
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...