Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663310 | Cellulose acetate solution and process for the preparation of the same | Kazuhiro Shimoda, Masahiko Murayama, Tohru Shibata, Shu Shimamoto, Hiroyuki Takemoto +1 more | 1997-09-02 |