Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821618 | Magnetic recording medium and process for producing the same | Jun Koujima, Teruaki Santoki, Kenichi Nakata, Takanori Doi, Masaaki Maekawa | 2004-11-23 |
| 6753077 | Magnetic recording medium and process for producing the same | Kenichi Nakata, Jun Koujima, Teruaki Santoki | 2004-06-22 |