Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197719 | Reference jig for use in mounting lens components in positions, and lens mounting method using such jig | — | 1993-03-30 |
| 4397544 | Optical apparatus for changing magnification or reduction rates | Toshiyuki Yajima | 1983-08-09 |