Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244734 | Fine cellulose particles and process for production thereof | Kanji Yamagishi, Masami Hara, Keizo Suzuki, Toshihiro Yamamoto | 1993-09-14 |
| 5064950 | Fine cellulose particles and process for production thereof | Kanji Yamagishi, Masami Hara, Keizo Suzuki, Toshihiro Yamamoto, Hideo Yoshidome | 1991-11-12 |
| 4946953 | Fine cellulose particles and process for production thereof employing coagulated viscose | Kanji Yamagishi, Masami Hara, Keizo Suzuki, Toshihiro Yamamoto, Hideo Yoshidome | 1990-08-07 |
| 4902792 | Fine cellulose particles and process for production thereof | Kanji Yamagishi, Masami Hara, Keizo Suzuki, Toshihiro Yamamoto | 1990-02-20 |