Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654337 | Magneto-optical recording medium having pit pitch greater than groove pitch | Sohmei Endoh, Manabu Satoh, Mitsuo Arima, Jun Shimizu, Etsuro Ikeda +2 more | 2003-11-25 |
| 4617714 | Process and apparatus for finishing a guide roller | Takuaki Kori, Shiro Sugawara | 1986-10-21 |