Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11564971 | Hyaluronic acid derivative having amino acid and steryl group introduced thereinto | Takashi Nakai, Tomoko Yasugi, Yoshihiro Tampo, Kenji Yasugi | 2023-01-31 |
| 11512147 | Hyaluronic acid derivative modified with polyethylene glycol | Kazuo Hattori, Takashi Nakai, Teruo Nakamura | 2022-11-29 |
| 11389539 | Hyaluronic acid derivatives into which cationic and hydrophobic groups are introduced | Takashi Nakai, Teruo Nakamura, Sayan CHUANOI, Hideyuki Togawa, Kazuo Hattori +1 more | 2022-07-19 |
| 9394379 | Process for producing water-soluble hyaluronic acid modification | Kenji Yasugi, Teruo Nakamura, Mika SATO | 2016-07-19 |
| 9243077 | Derivative of hyaluronic acid modified with amino-carboxylic acid | Tomoko Yasugi, Yoshihiro Tampo, Kenji Yasugi, Tai Hirakura | 2016-01-26 |
| 8987230 | Hybrid gel comprising chemically crosslinked hyaluronic acid derivative and pharmaceutical composition comprising the same | Kazunari Akiyoshi, Nobuyuki Morimoto, Tai Hirakura | 2015-03-24 |
| 8759322 | Hyaluronic acid derivative and pharmaceutical composition thereof | Kazunari Akiyoshi, Takashi Nakai, Tai Hirakura | 2014-06-24 |
| 8575332 | Crosslinked polysaccharide microparticles and method for their preparation | Sei Kwang Hahn | 2013-11-05 |
| 8143391 | Process for producing water-soluble hyaluronic acid modification | Kenji Yasugi, Teruo Nakamura, Mika SATO | 2012-03-27 |
| 7816316 | Sustained release drug carrier | Sei Kwang Hahn, Teruo Nakamura | 2010-10-19 |
| 7767806 | Hyaluronic acid modification products and drug carriers using them | Tai Hirakura, Teruo Nakamura | 2010-08-03 |
| 7625764 | Stimuli-responsive polymer devices | Patrick S. Stayton, Allan S. Hoffman, Noah Malmstadt, Samarth Kulkarni | 2009-12-01 |
| 7456275 | Hyaluronic acid modification product | — | 2008-11-25 |