Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479131 | Magnetic recording medium | Kiyomi Ejiri, Masahiko Mori | 2002-11-12 |
| 6475598 | Magnetic recording medium | Kiyomi Ejiri, Masahiko Mori | 2002-11-05 |
| 6428884 | Magnetic recording medium | Kiyomi Ejiri | 2002-08-06 |
| 6372325 | Magnetic recording medium | Kiyomi Ejiri, Masatoshi Takahashi | 2002-04-16 |
| 6346310 | Magnetic recording medium | Tatsuo Ishikawa, Hiroaki Takano | 2002-02-12 |