Itsumi Muraoka

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Otake, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reversibly color-changing shaped material and process for producing...
- Patent number 5,429,871
- Issue date Jul 4, 1995
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber p...
- Patent number 5,264,531
- Issue date Nov 23, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Reversibly color-changing shaped material and process for producing...
- Patent number 5,252,396
- Issue date Oct 12, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber p...
- Patent number 5,234,766
- Issue date Aug 10, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING