Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702555 | Optical system drive for optical recording/reproducing apparatus | Tadashi Okuda, Kouichi Ieki, Toshio Sasamoto | 1987-10-27 |
| 4669823 | Optical system drive for optical recording/reproducing apparatus | Tadashi Okuda | 1987-06-02 |
| 4568142 | Objective lens drive apparatus | — | 1986-02-04 |