Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6989203 | Magnetic recording medium | Atsushi Kato, Junji Kagawa | 2006-01-24 |
| 6972158 | Magnetic recording medium | Atsushi Kato, Junji Kagawa | 2005-12-06 |
| 6929850 | Magnetic recording medium | Atsushi Kato, Junji Kagawa | 2005-08-16 |