Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D835782 | Tip of a syringe barrel | Ippei Matsumoto | 2018-12-11 |
| 6268043 | Magnetic recording medium | Takeshi Koizumi, Norio Adachi | 2001-07-31 |
| 5997987 | Magnetic recording medium | Takeshi Koizumi, Norio Adachi | 1999-12-07 |