Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9617350 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Masaki Tabata, Atsushi Yoshida | 2017-04-11 |
| 9611333 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Masaki Tabata, Atsushi Yoshida | 2017-04-04 |
| 9534061 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Masaki Tabata, Atsushi Yoshida | 2017-01-03 |
| 9068021 | Low-substituted hydroxypropylcellulose powder | Naosuke Maruyama | 2015-06-30 |
| 8865889 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Masaki Tabata, Atsushi Yoshida | 2014-10-21 |
| 8853388 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Masaki Tabata, Atsushi Yoshida | 2014-10-07 |
| 8519120 | Methods for producing a low-substituted hydroxypropylcellulose powder | Naosuke Maruyama | 2013-08-27 |
| 8343548 | Solid dosage form comprising solid dispersion | Fumie Kusaki, Takafumi Hoshino, Naosuke Maruyama, Yuichi Nishiyama, Ikuo Fukui | 2013-01-01 |
| 8343547 | Solid dosage form comprising solid dispersion | Takafumi Hoshino, Fumie Kusaki, Naosuke Maruyama, Yuichi Nishiyama, Ikuo Fukui | 2013-01-01 |
| 8017766 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Atsushi Hatayama | 2011-09-13 |
| 7009046 | Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compression | Naosuke Maruyama | 2006-03-07 |
| 6602995 | Method for the formation of low-substituted hydroxypropyl cellulose particles | Naosuke Maruyama | 2003-08-05 |
| 6525192 | Low-substituted hydroxypropyl cellulose and process for producing same | Sakae Obara, Naosuke Maruyama, Fumie Tanno | 2003-02-25 |
| 5583244 | Siloxane-containing pullulan and method for the preparation thereof | Satoshi Uchida, Akira Yamamoto, Ikuo Fukui, Mikio Endo, Shigehiro Nagura +1 more | 1996-12-10 |
| 4894457 | 7-bromo-beta-carboline compound and method for producing same | Masaaki Kubo, Kazuhiro Okura | 1990-01-16 |