Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500551 | Magnetic recording medium | Hiroshi Hashimoto, Katsuhiko Meguro | 2002-12-31 |
| 6444306 | Magnetic recording medium | Katsuhiko Meguro, Hiroshi Hashimoto | 2002-09-03 |
| 6376083 | Magnetic recording medium | Masaki Satake, Hiroshi Hashimoto, Tsutomu Okita | 2002-04-23 |