Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157136 | Magnetic recording medium | Muneyoshi Ochi, Koh Tsukamoto | 2007-01-02 |
| 7060340 | Magnetic recording medium | Muneyoshi Ochi, Koh Tsukamoto | 2006-06-13 |
| 6723415 | Magnetic recording medium | Muneyoshi Ochi, Koh Tsukamoto | 2004-04-20 |