Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11879022 | Method for producing depolymerized cellulose ether | Shinnosuke Inada, Akira Kitamura, Mitsuo Narita | 2024-01-23 |
| 11873351 | Hydroxypropyl methyl cellulose phthalate and method for producing the same | Junichi Matsubara, Mitsuhiro Yoshida | 2024-01-16 |
| 11767371 | Hydroxypropyl methyl cellulose acetate succinate, method for producing the same, and composition for hot-melt extrusion | Akiko Miki, Akira Kitamura, Mitsuo Narita | 2023-09-26 |
| 11753483 | Hydroxypropyl methyl cellulose acetate succinate and method for producing the same | Junichi Matsubara, Mitsuhiro Yoshida | 2023-09-12 |
| 11319384 | Method for producing hypromellose phthalate | Akiko Tsuchida, Akira Kitamura, Mitsuo Narita | 2022-05-03 |
| 11319385 | Method for producing hypromellose acetate succinate | Akiko Tsuchida, Akira Kitamura, Mitsuo Narita | 2022-05-03 |
| 10906992 | Method for producing low polymerization degree cellulose ether | Akira Kitamura, Shintaro Matsusue, Mitsuhiro Yoshida | 2021-02-02 |
| 10550202 | Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation | Takuya Yokosawa, Yasuyuki Hirama, Akira Kitamura | 2020-02-04 |
| 10314786 | Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation | Yasuyuki Hirama, Takuya Yokosawa, Akira Kitamura | 2019-06-11 |