Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500551 | Magnetic recording medium | Hiroshi Hashimoto, Yuichiro Murayama | 2002-12-31 |
| 6444306 | Magnetic recording medium | Yuichiro Murayama, Hiroshi Hashimoto | 2002-09-03 |
| 6338896 | Magnetic recording medium | Tatsuo Ishikawa, Hiroshi Hashimoto | 2002-01-15 |