Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7773318 | Objective optical system for endoscopes | — | 2010-08-10 |
| 7542670 | Finder optical system for a single-lens reflex camera | — | 2009-06-02 |
| 7511892 | Image-acquisition optical system | — | 2009-03-31 |
| 7499226 | Magnifying optical system for endoscope | — | 2009-03-03 |
| 7391968 | Finder optical system for a single-lens reflex camera | — | 2008-06-24 |
| 7260322 | Changeable-lens camera, camera system, and focus detection device | Masataka Ide | 2007-08-21 |
| 6867924 | Large-aperture telephoto zoom lens | — | 2005-03-15 |
| 6847784 | Focus detecting optical system and camera provided with the same | — | 2005-01-25 |
| 6747817 | Macro lens, and camera comprising the same | — | 2004-06-08 |
| 6519095 | Zoom lens | — | 2003-02-11 |
| 5970266 | Real image mode variable magnification finder | — | 1999-10-19 |
| 5884108 | Data imprinting optical system | Yuji Kamo, Yuji Miyauchi | 1999-03-16 |
| 5862000 | Photographic lens system | Toshio Takahashi, Seiji Shimizu | 1999-01-19 |
| 5815312 | Real image type finder | — | 1998-09-29 |
| 5721979 | Camera | Kazumi Ito | 1998-02-24 |
| 5701199 | Real image mode variable magnification finder optical system | — | 1997-12-23 |
| 5689373 | Eyepiece lens | — | 1997-11-18 |
| 5636065 | Triplet lens system | — | 1997-06-03 |
| 5615051 | Bright triplet | — | 1997-03-25 |
| 5541773 | Two-unit zoom lens system | Yuji Kamo | 1996-07-30 |
| 5491528 | Real image mode finder optical system having an objective lens integrated as a prism with a reflective surface | Seiji Shimizu | 1996-02-13 |