Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9044556 | Injector | Takaaki Ohsawa | 2015-06-02 |
| 8663163 | Injection needle and drug injection device | Yoichiro Iwase, Kazunori Koiwai, Tetsuo Tanaka, Sayaka Oomori | 2014-03-04 |
| 5174998 | Sustained release compositions using as matrix hemicellulose extracted from wheat bran | Kiwamu Shiiba, Hiroyoshi Hara, Yoshie Negishi | 1992-12-29 |
| 4869904 | Sustained release drug preparation | Kaneto Uekama, Yoshiyuki Tahara, Tadashi Yamada | 1989-09-26 |