Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10926230 | Semipermeable membrane | Hiroyuki Matsumura, Tohru Shibata, Mitsuru Ohno | 2021-02-23 |
| 10927190 | Cellulose ester and molded article thereof | Hiroyuki Matsumura, Tohru Shibata, Hiroshi Koyama, Mitsuru Ohno, Tomoichi Watabe | 2021-02-23 |