Tsuguhisa Hirukawa

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Modified cellulose regenerated fiber comprising chitosan particles
- Patent number RE35151
- Issue date Jan 30, 1996
- Fuji Spinning Company, Limited
- Tsuguhisa Hirukawa
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Modified cellulose regenerated fiber comprising chitosan particles
- Patent number 5,320,903
- Issue date Jun 14, 1994
- Fuji Spinning Co., Ltd.
- Tsuguhisa Hirukawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING