Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969409 | Animal fiber superior in shrink proofing and method for preparation thereof | Ryo Umehara, Tadashi Karakawa, Kunihiro Oshima, Kazuhiro Nakase | 2005-11-29 |
| 6964182 | Treatment apparatus for chemical modification of animal fibers of continuous web form | Tadashi Karakawa, Ryo Umehara, Masataka Oshima, Kazuyoshi Sakoda | 2005-11-15 |