Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017766 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Hiroshi Umezawa | 2011-09-13 |
| 6884883 | Method for reducing pulp to powder and process for the production of a cellulose ether | Yukio Shima, Mitsuo Narita | 2005-04-26 |
| 4385078 | Method for providing enteric coating on solid dosage forms and aqueous compositions therefor | Yoshiro Onda, Hiroaki Muto, Hiroshi Suzuki, Kazumasa Maruyama | 1983-05-24 |