Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676605 | Construction of lens barrel operated by electromagnetic induction | Susumu Sugiura | 1987-06-30 |
| 4534624 | Construction of lens barrel operated by electromagnetic induction | Susumu Sugiura | 1985-08-13 |