Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963691 | Light pressure rotator and light pressure rotating device | — | 2011-06-21 |
| 4860276 | Micro optical head with an optically switched laser diode | Yoshitada Katagiri, Renshi Sawada, Yuuji Uenishi, Yoshihiro Isomura, Tomoyuki Toshima +1 more | 1989-08-22 |
| 4571715 | Optical head movable in a tracking direction | Kikuji Kato, Akinori Watabe, Susumu Yonezawa | 1986-02-18 |