Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846799 | Set of double needles for injecting liquid medicine | Masataka Tanaka, Masao Ohto, Tetsuo Sekine, Hiroshi Takahashi | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846799 | Set of double needles for injecting liquid medicine | Masataka Tanaka, Masao Ohto, Tetsuo Sekine, Hiroshi Takahashi | 1989-07-11 |