Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481848 | Method for coloring cellulose fiber and colored cellulose fiber obtained thereby | Kunihiro Ohshima, Susumu Katsuen, Atsushi Igami | 2009-01-27 |
| 7476263 | Coloring method of tangible matter having polyamide bond and tangible matter colored by such method | Kunihiro Ohshima, Kiyoshi Donowaki, Kentaro Kawamura | 2009-01-13 |