Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018098 | Method for producing depolymerized cellulose ether | Kentaro Miki, Akira Kitamura | 2024-06-25 |
| 11879022 | Method for producing depolymerized cellulose ether | Shinnosuke Inada, Taishi Kitaguchi, Akira Kitamura | 2024-01-23 |
| 11851544 | Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same | — | 2023-12-26 |
| 11767371 | Hydroxypropyl methyl cellulose acetate succinate, method for producing the same, and composition for hot-melt extrusion | Akiko Miki, Taishi Kitaguchi, Akira Kitamura | 2023-09-26 |
| 11634510 | Water-soluble cellulose ether and method for producing the same | Akira Kitamura, Mitsuhiro Yoshida | 2023-04-25 |
| 11365266 | Method for producing cellulose ether | Shintaro Matsusue, Akira Kitamura, Mitsuhiro Yoshida | 2022-06-21 |
| 11319384 | Method for producing hypromellose phthalate | Akiko Tsuchida, Taishi Kitaguchi, Akira Kitamura | 2022-05-03 |
| 11319385 | Method for producing hypromellose acetate succinate | Taishi Kitaguchi, Akiko Tsuchida, Akira Kitamura | 2022-05-03 |
| 11299557 | Method for producing water-soluble nonionic cellulose ether powder having high bulk density | — | 2022-04-12 |
| 11089804 | Oil-in-water type composition and food using same | Atsushi Yamamoto, Akira Kitamura, Heiko Nebel, Anita Hirte | 2021-08-17 |
| 10881124 | Method for producing alkyl cellulose | Akira Kitamura, Atsushi Yamamoto, Heiko Nebel, Andreas Schultz | 2021-01-05 |
| 10767023 | Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same | — | 2020-09-08 |
| 10723807 | Method for producing hydroxyalkyl alkyl cellulose | Akira Kitamura | 2020-07-28 |
| 10570217 | Hydroxypropyl methyl cellulose having high thermal gel strength, method for producing the same, and food containing the same | Tatsuya Yamashita, Akira Kitamura, Atsushi Yamamoto | 2020-02-25 |
| 10508155 | Method for continuously producing cellulose ether | Atsushi Yamamoto, Shinichi Kurotani, Atsuhiko Yonemochi | 2019-12-17 |
| 10174128 | Method for producing purified low-substituted hydroxypropyl cellulose | Akira Kitamura, Atsuhiko Yonemochi | 2019-01-08 |
| 10058617 | Composition for forming a film | Tatsuya Yamashita, Takuya Yokosawa, Naosuke Maruyama | 2018-08-28 |
| 9926385 | Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same | Akira Kitamura, Takuya Yokosawa, Yuichi Nishiyama | 2018-03-27 |
| 9617350 | Methods for preparing alkali cellulose and cellulose ether | Masaki Tabata, Atsushi Yoshida, Hiroshi Umezawa | 2017-04-11 |
| 9611333 | Methods for preparing alkali cellulose and cellulose ether | Masaki Tabata, Atsushi Yoshida, Hiroshi Umezawa | 2017-04-04 |
| 9580516 | Methods for producing alkali cellulose and cellulose ether | — | 2017-02-28 |
| 9546222 | Method for producing low-substituted hydroxypropylcellulose | Akira Kitamura, Takahiro Suzuki | 2017-01-17 |
| 9534061 | Methods for preparing alkali cellulose and cellulose ether | Masaki Tabata, Atsushi Yoshida, Hiroshi Umezawa | 2017-01-03 |
| 9487594 | Method for producing water-soluble nonionic cellulose ether excellent in storage stability | — | 2016-11-08 |
| 9481738 | Method for producing cellulose ether | — | 2016-11-01 |