Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969409 | Animal fiber superior in shrink proofing and method for preparation thereof | Hisashi Ichimura, Ryo Umehara, Kunihiro Oshima, Kazuhiro Nakase | 2005-11-29 |
| 6964182 | Treatment apparatus for chemical modification of animal fibers of continuous web form | Ryo Umehara, Hisashi Ichimura, Masataka Oshima, Kazuyoshi Sakoda | 2005-11-15 |
| 6716256 | Method for preparation of slenderized animal fiber | Ryo Umehara, Takashi Kanda, Masaru Yamada | 2004-04-06 |
| 5459902 | Slenderized animal wool and its manufacturing method | Ryohei Hino, Wasaburo Kengaku, Takashi Kondo, Masaru Yamada | 1995-10-24 |
| 5215544 | Process for modifying an animal hair | Satoshi Konagaya, Tetuo Hirose, Takashi Kondo | 1993-06-01 |
| 4533359 | Process for modifying animal fibers | Takashi Kondo, Chikaaki Sakai | 1985-08-06 |