Hajime Asai

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon fibers and method for producing same
- Patent number 4,814,157
- Issue date Mar 21, 1989
- Mitsubishi Rayon Co., Ltd.
- Hirofumi Uno
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing carbon fiber
- Patent number 4,735,693
- Issue date Apr 5, 1988
- Mitsubishi Rayon Co., Ltd.
- Hajime Asai
- G01 - MEASURING TESTING
Information Patent Grant
Method of sizing carbon fiber and a carbon fiber composition
- Patent number 4,654,264
- Issue date Mar 31, 1987
- Mitsubishi Rayon Co., Ltd.
- Hajime Asai
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Intermediate for composite material
- Patent number 4,603,157
- Issue date Jul 29, 1986
- Mitsubishi Rayon Co., Ltd.
- Hajime Asai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Novel polymer composition
- Patent number 4,510,024
- Issue date Apr 9, 1985
- Mitsubishi Rayon Co., Ltd.
- Kazuo Kishida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing thermosetting resin film
- Patent number 4,345,959
- Issue date Aug 24, 1982
- Mitsubishi Rayon Company, Limited
- Hajime Asai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL