Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668787 | Mark length recording system with trial writing to maximize recording power and error recovery | Kazuo Shigematsu, Yoji Tomono, Toshiyasu Hattori | 1997-09-16 |
| 5621576 | Optical head for optical memory disk recording device with elastic support in a direction parallel to a recording surface | Yoshiaki Yamauchi, Shozo Saegusa, Akio Yabe, Akira Saito, Hiromitu Mori | 1997-04-15 |