Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7074245 | Modified regenerated cellulose fiber and fiber product thereof | Itsuo Kurahashi, Masatoshi Kudou, Koji Ando | 2006-07-11 |
| 6821304 | Modified regenerated cellulose fiber and fiber product thereof | Itsuo Kurahashi, Masatoshi Kudou, Koji Ando | 2004-11-23 |
| 6709665 | Functionalized fiber material and method for manufacturing the same | Koki Itoyama, Takatoshi Fujii | 2004-03-23 |
| 6514610 | Method for manufacturing improved regenerated cellulose fiber | Koki Itoyama, Masaki Mitsuhashi, Kikuo Kakizaki | 2003-02-04 |
| 5902355 | Method for pattern dyeing of textile fabrics containing blends of cellulose regenerated fiber | Ituo Kurahasi, Kikuo Kakizaki, Makoto Kawamura | 1999-05-11 |
| 5508185 | Lipase immobilized on a chitosan carrier | Yoshihide Kawamura, Shigeyuki Imamura, Junko Harada | 1996-04-16 |
| RE35151 | Modified cellulose regenerated fiber comprising chitosan particles | Tsuguhisa Hirukawa, Tuguo Miyaji | 1996-01-30 |
| 5320903 | Modified cellulose regenerated fiber comprising chitosan particles | Tsuguhisa Hirukawa, Tuguo Miyaji | 1994-06-14 |
| 4833237 | Process for producing granular porous chitosan | Yoshihide Kawamura, Itsuo Kurahashi, Hiroshi Seo, Saburo Nakajima | 1989-05-23 |