Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309416 | Method and apparatus for initializing intermediate region between tracks on magnetooptical recording medium | Ryuichi Iwanaga | 1994-05-03 |
| 5289451 | Optical information recording/reproduction apparatus including means for detecting the type of recording medium | Takaaki Ashinuma, Shigeru Aoi, Makoto Shiho, Yasuo Suzuki, Takehiko Shibata +2 more | 1994-02-22 |