Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687023 | Keplerian zoom finder optical system | — | 1997-11-11 |
| 5663837 | Lens system | Motoyuki Ohtake | 1997-09-02 |
| 5646777 | Keplerian zoom finder optical system | — | 1997-07-08 |
| 5640277 | Large aperture medium telephoto lens system | — | 1997-06-17 |
| 5640614 | Camera capable of panorama phototaking | Atsushi Shibayama, Susumu Sato | 1997-06-17 |
| 5627686 | Large-aperture medium-range telephoto lens system | — | 1997-05-06 |
| 5612826 | Lens holding device for holding a lens system and method for making | — | 1997-03-18 |
| 5606461 | Behind stop triplet lens | — | 1997-02-25 |
| 5594518 | Camera | — | 1997-01-14 |