Akitsugu Akiyama

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Soja, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyvinyl alcohol fiber
- Patent number 5,238,995
- Issue date Aug 24, 1993
- Kuraray Company Limited
- Yoshiharu Fukunishi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polyvinyl alcohol fiber having excellent resistance to hot water an...
- Patent number 5,133,916
- Issue date Jul 28, 1992
- Kuraray Co., Ltd.
- Hirofumi Sano
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Synthetic polyvinyl alcohol fiber and process for its production
- Patent number 5,110,678
- Issue date May 5, 1992
- Kuraray Company Limited
- Hiroshi Narukawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Heat resistant organic synthetic fibers and process for producing t...
- Patent number 4,758,649
- Issue date Jul 19, 1988
- Kuraray Co., Ltd.
- Shoji Asano
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING