Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864341 | Mount arrangement and interchangeable lens unit for photographic camera | Yukio Maekawa, Masatake Niwa | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864341 | Mount arrangement and interchangeable lens unit for photographic camera | Yukio Maekawa, Masatake Niwa | 1989-09-05 |