Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5392159 | Zoom lens device of two-lens group structure and driving device of varifocal lens of two-lens group structure | Saburo Sasaki, Ikuya Tsurukawa, Hiroshi Terui | 1995-02-21 |