Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349085 | High density recording medium with pit width to track pitch ratio in the range of 0.4 to 0.55 for push-pull tracking servo control | Sohmei Endoh, Katsuhiko Ohtomo | 2002-02-19 |