Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066484 | Cellulose acetate and method for producing cellulose acetate | Naohiro Oyamada | 2021-07-20 |
| 10927189 | Cellulose acetate and producing method therefor | Maiko Tsuda | 2021-02-23 |