Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8277421 | Drug solution injector | Shingo Koyama, Masafumi Takemoto | 2012-10-02 |
| 8261781 | Medical apparatus | Masaomi Imai, Shingo Koyama | 2012-09-11 |
| 7427276 | Syringe | Kouichi Tachikawa, Shingo Koyama | 2008-09-23 |
| 7261704 | Syringe | Kouichi Tachikawa, Shingo Koyama | 2007-08-28 |