Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590836 | Magneto optical recording medium capable of preventing a reproduction layer from having a degraded characteristic | Atsushi Yamaguchi, Hiroki Ishida | 2003-07-08 |
| 6541132 | Magnetic disk having specific track width and bit length | Shinji Saito, Takeshi Harasawa | 2003-04-01 |
| 6509124 | Method of producing diamond film for lithography | Yoshihiro Kubota, Ikuo Okada | 2003-01-21 |
| 6506470 | Magnetic recording medium | Takeshi Harasawa, Hiroshi Hashimoto, Shinji Saito | 2003-01-14 |