Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264173 | Polyvinyl alcohol monofilament yarns and process for producing the same | Masatsugu Mochizuki, Kazutaka Kooda, Siro Murakami, Mitsuo Kawaguchi | 1993-11-23 |
| 5093063 | Method of producing polyvinyl alcohol fibers | Masaharu Watanabe, Kenichi Tanimoto, Kazutaka Kooda, Keiichi Wakayama, Tsunetoshi Matsuda | 1992-03-03 |
| 5091254 | Polyvinyl alcohol monofilament yarns and process for producing the same | Masatsugu Mochizuki, Kazutaka Kooda, Siro Murakami, Mitsuo Kawaguchi | 1992-02-25 |
| 4971861 | Polyvinyl alcohol fiber and method of manufacture thereof | Masaharu Watanabe, Kenichi Tanimoto, Kazutaka Kooda, Keiichi Wakayama, Tsunetoshi Matsuda | 1990-11-20 |