Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6217970 | Magnetic recording medium, method of producing the same, and recording and reading-out method | Yoji Arita, Yuzo Seo, Ryuichi Yoshiyama, Junichi Kozu, Toshihiko Kuriyama | 2001-04-17 |
| 5976714 | Magnetic recording medium and method of producing the same | Yoji Arita | 1999-11-02 |
| 5928759 | Magnetic recording medium, method of producing the same, and recording and reading-out method | Yoji Arita, Yuzo Seo, Ryuichi Yoshiyama, Junichi Kozu, Toshihiko Kuriyama | 1999-07-27 |
| 5759419 | Method of manufacturing a magnetic recording medium and a semiconductor laser texturing apparatus | Hideaki Kaneda, Itaru Sakamoto | 1998-06-02 |