Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323389 | Medical fluid container | Osamu Aoki, Kiyonori Okada, Seizo Sunago, Hitoshi Futagawa, Shuji Hasegawa | 1992-01-21 |
| 4993941 | Dental irrigating needle | Eikichi Maita, Akira Tsuji | 1991-02-19 |
| 4936841 | Fluid container | Osamu Aoki, Kiyonori Okada, Seizo Sunago, Hitoshi Futagawa, Shuji Hasegawa | 1990-06-26 |
| 4922597 | Box for disposing of used injection needles | Akira Tsuji, Yoshiyuki Sunaga | 1990-05-08 |