Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593778 | Biodegradable copolyester, molded article produced therefrom and process for producing the molded article | Yoshikazu Kondo, Masao Matsui, Takuji Osaki, Hiroshi Kajiyama, Eiichi Ozeki +1 more | 1997-01-14 |
| 5196527 | Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier | Shigeru Ookuma, Kouei Igarashi, Masami Hara, Kazuhiro Aso, Hiroshi Nakayama +2 more | 1993-03-23 |
| 5108596 | Borous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier | Shigeru Ookuma, Kouei Igarashi, Masami Hara, Kazuhiro Aso, Hiroshi Nakayama +2 more | 1992-04-28 |
| 5064950 | Fine cellulose particles and process for production thereof | Shigeru Okuma, Kanji Yamagishi, Masami Hara, Keizo Suzuki, Toshihiro Yamamoto | 1991-11-12 |
| 4946953 | Fine cellulose particles and process for production thereof employing coagulated viscose | Shigeru Okuma, Kanji Yamagishi, Masami Hara, Keizo Suzuki, Toshihiro Yamamoto | 1990-08-07 |