Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11591721 | Acid-type carboxymethylated cellulose nanofiber and production method thereof | Satoshi Takaichi, Takeshi Fujii, Makoto Matsumoto, Shinichi Onogi | 2023-02-28 |
| 11578142 | Acid type carboxylated cellulose nanofiber | Satoshi Takaichi, Takeshi Nakatani, Masahiro Morita, Shinichi Onogi, Takeshi Fujii +2 more | 2023-02-14 |
| 8013108 | Process for producing 2, 3, 3′, 4′,-biphenyltetracarboxylic dianhydride | Tatsushi Nakayama | 2011-09-06 |
| 7417108 | Process for production of 2,3,3′,4′-biphenyltetracarboxylic dianhydride | Tatsushi Nakayama, Takeshi Matsuzaki | 2008-08-26 |