Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519120 | Methods for producing a low-substituted hydroxypropylcellulose powder | Hiroshi Umezawa | 2013-08-27 |
| 8354393 | Film preparation and process for preparing the same | — | 2013-01-15 |
| 8343548 | Solid dosage form comprising solid dispersion | Fumie Kusaki, Takafumi Hoshino, Yuichi Nishiyama, Ikuo Fukui, Hiroshi Umezawa | 2013-01-01 |
| 8343547 | Solid dosage form comprising solid dispersion | Takafumi Hoshino, Fumie Kusaki, Yuichi Nishiyama, Ikuo Fukui, Hiroshi Umezawa | 2013-01-01 |
| 8303868 | Wet granulation tableting method using aqueous dispersion of low-substituted hydroxypropyl cellulose | — | 2012-11-06 |
| 8029821 | Capsule comprising low-substituted cellulose ether and method for preparing the same | Kazuhisa Hayakawa, Miyuki Fukasawa | 2011-10-04 |
| 7985855 | Method for modifying fibers | Kazuhisa Hayakawa, Soji Tanioka | 2011-07-26 |
| 7976864 | Film preparation and process for preparing the same | — | 2011-07-12 |
| 7803196 | Method for modifying fibers | Kazuhisa Hayakawa, Soji Tanioka, Hidenori Tsuduki, Tsuyoshi Shikano, Hiroshi Kawamura +1 more | 2010-09-28 |
| 7009046 | Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compression | Hiroshi Umezawa | 2006-03-07 |
| 6602995 | Method for the formation of low-substituted hydroxypropyl cellulose particles | Hiroshi Umezawa | 2003-08-05 |
| 6525192 | Low-substituted hydroxypropyl cellulose and process for producing same | Sakae Obara, Hiroshi Umezawa, Fumie Tanno | 2003-02-25 |
| 5837291 | Enteric preparation coated with a non-solvent enteric coating agent using a liquid plasticizer | Hiroyasu Kokubo | 1998-11-17 |
| 5789014 | Method of manufacturing a solid preparation coated with non-solvent coating | Yuichi Nishiyama, Hiroyasu Kokubo | 1998-08-04 |
| 5750148 | Method for preparing solid enteric pharmaceutical preparation | Hiroyasu Kokubo, Shin Nakamura | 1998-05-12 |
| 5560930 | Method for preparing aqueous emulsion for coating solid pharmaceutical preparations | Hiroyasu Kokubo, Yoshiaki Kawashima | 1996-10-01 |
| 5512092 | Method for preparing aqueous emulsion for coating solid pharmaceutical preparations | Hiroyasu Kokubo, Shin Nakamura | 1996-04-30 |