Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742940 | Shading device and lens barrel | Norikatsu Konno, Hideo Kanno, Kazumitsu Takezawa | 2004-06-01 |
| 6554503 | Bayonet mount | Masateru Asayama, Hidefumi Iinuma, Satoshi Hara | 2003-04-29 |
| 6542313 | Lens barrel position detecting device and method | Kazumitsu Takezawa | 2003-04-01 |
| 5734935 | Camera system and intermediate adapter | Yuji Ihara, Hiroshi Tanioka | 1998-03-31 |
| 5731016 | Apparatus for manufacturing a diaphragm blade | Nobuyoshi Nasu | 1998-03-24 |
| 5731913 | Lens barrel with improved cam ring structure | — | 1998-03-24 |
| 5717528 | Lens barrel | Yuji Ihara | 1998-02-10 |
| 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 |
| 5572373 | Photographing lens switchable between manual-focus and auto-focus modes | Hideo Kanno, Tsuneo Watanabe, Shinichi Ushio, Yuichi Katagishi | 1996-11-05 |
| 5568223 | Multiple point focus detection camera | Toru Takayama, Tsutomu Narisawa | 1996-10-22 |
| 5546233 | Lens barrel using a surface wave motor | Hideo Kanno, Hiroshi Tanioka | 1996-08-13 |
| 5489963 | Auto-focusing device | Yoshiro Kodaka | 1996-02-06 |
| 5481406 | Mechanism for waterproofing operation member of interchangeable lens barrel | Satoshi Yamazaki, Toru Takayama, Kunihiro Fukino, Yoshiro Kodaka | 1996-01-02 |
| 5418650 | Lens barrel using a surface wave motor | Hideo Kanno, Hiroshi Tanioka | 1995-05-23 |
| 5239415 | Lens barrel using a surface wave motor | Hideo Kanno, Hiroshi Tanioka | 1993-08-24 |
| 5227829 | Photographing lens switchable between manual focus and auto focus modes | Hideo Kanno, Tsuneo Watanabe, Shinichi Ushio, Yuichi Katagishi | 1993-07-13 |
| 5198935 | Lens barrel with ultrasonic wave motor | Kunihiro Fukino, Hiroshi Tanioka | 1993-03-30 |
| 5187513 | Focusing apparatus | Koshi Yoshibe | 1993-02-16 |
| 5018843 | Zoom lens apparatus with lens units for zooming and focusing | Kiyotaka Inadome, Kunihiro Fukino, Toru Takayama | 1991-05-28 |
| 4925282 | Zoom lens assembly | Hideo Kanno, Hideshi Naito, Yoshiro Kodaka, Naoto Ohta | 1990-05-15 |
| 4796045 | Photo-taking lens assembly having an automatically and manually movable lens | Yoshinari Hamanishi, Yoshiharu Shiokama, Sachio Ohmori | 1989-01-03 |