Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790511 | Magnetic recording medium | — | 2004-09-14 |
| 6773788 | Magnetic recording medium | Kiyomi Ejiri | 2004-08-10 |
| 6726986 | Magnetic recording medium | — | 2004-04-27 |
| 6682800 | Magnetic recording medium | Hiroshi Hashimoto, Takeshi Harasawa | 2004-01-27 |