Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177638 | Zoom lens-barrel | Tetsuji Emura, Kazuhiko Futagawa | 1993-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177638 | Zoom lens-barrel | Tetsuji Emura, Kazuhiko Futagawa | 1993-01-05 |