Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680255 | Zoom lens barrel and adjustment method of the flange back focal distance of the zoom lens barrel | — | 1997-10-21 |
| 5675441 | Focusing lens control apparatus with automatic and manual focus adjustment modes | — | 1997-10-07 |
| 5657173 | Working force quantity imparting member, working force quantity imparting structure and lens barrel | Osamu Nitoube | 1997-08-12 |
| 5640619 | Multiple point focus detection camera | Toru Takayama, Tsutomu Narisawa | 1997-06-17 |
| 5625848 | Multiple point distance measurement camera with correction for orientation | — | 1997-04-29 |