Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9162412 | Briquetting machine control device | Koji Tsukada, Isao Sekiguchi, Fumio Yuasa | 2015-10-20 |
| 7294122 | Transfer needle | Tomohiko Kubo, Shuji Hasegawa, Takao Kinoshita | 2007-11-13 |
| 6021680 | Pipette | Isao Inagaki, Akira Tsuji, Kiyoto Shigematsu, Kazumitsu Ohga, Fumio Kobayashi | 2000-02-08 |
| 4922597 | Box for disposing of used injection needles | Kohji Ikeda, Akira Tsuji | 1990-05-08 |