Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751166 | Phase error detection method for magnetic wall displacement type of magneto-optical recording device | Goro Fujita, Minoru Tobita | 2004-06-15 |
| 6731589 | Substrate for optical recording media, optical recording medium, manufacturing process for optical recording media, and optical recording/reproducing method | Goro Fujita | 2004-05-04 |