Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9684147 | Changeable lens barrel | Shigeo Hayashi, Naohiro Kageyama, Mitsuru Toyama | 2017-06-20 |
| 8660419 | Lens barrel and camera system | Mitsuru Toyama, Takeshi Ito | 2014-02-25 |
| 8565591 | Lens barrel and camera system | Mitsuru Toyama, Takeshi Ito | 2013-10-22 |
| 8559807 | Camera system and lens barrel | Mitsuru Toyama, Takeshi Ito | 2013-10-15 |
| 8553136 | Camera system | Mitsuru Toyama, Takeshi Ito | 2013-10-08 |
| RE40685 | Lens barrel having a flare diaphragm which can advance into and retreat from the optical path to eliminate deleterious light resulting from movement of the lens | Tatsuya Suzuki | 2009-03-31 |
| 6795252 | Lens barrel | Ai Midorikawa | 2004-09-21 |
| 6785059 | Lens barrel | — | 2004-08-31 |
| 6671108 | Optical apparatus including lens | Ai Midorikawa | 2003-12-30 |
| 6570719 | Lens barrel and method of assembling the same | Ai Midorikawa | 2003-05-27 |
| 6538826 | Lens barrel | Ai Midorikawa | 2003-03-25 |
| 6487025 | Lens barrel having a plurality of lens frames which are relatively movable in forward and backward directions | Tatsuo Takanashi | 2002-11-26 |
| 6456446 | Lens holder provided with a lens holding frame which holds a lens having a circular outer diameter | Ai Akiyama | 2002-09-24 |
| 6388825 | Support structure for positioning lens on retention frame | Shinya Takahashi | 2002-05-14 |
| 6373641 | Lens barrel | — | 2002-04-16 |
| 6285515 | Lens | Tatsuo Kitazawa | 2001-09-04 |
| 6198578 | Cam follower and lens barrel | Kazuyuki Iwasa, Shinya Takahashi | 2001-03-06 |
| 6157501 | Lens holding structure | Mitsuhiro Sato, Kazuyuki Iwasa | 2000-12-05 |
| 6154614 | Camera optical system having nonphotographic lens formed integrally in photographic lens section | Mitsuhiro Sato | 2000-11-28 |
| 6038087 | Sealing device and sealing device of camera | Tatsuya Suzuki | 2000-03-14 |
| 6024457 | Lens barrel | Sumio Kawai, Tatsuya Suzuki, Shinya Takahashi, Kunio Yokoyama | 2000-02-15 |
| 5978160 | Lens barrel having a flare diaphragm which can advance into and retreat from the optical path to eliminate deleterious light resulting from movement of the lens | Tatsuya Suzuki | 1999-11-02 |
| 5933285 | Lens barrel | Mitsuhiro Sato, Yasuo Asakura | 1999-08-03 |
| 5777802 | Lens barrel with a cam mechanism comprised of plastic material | Mitsuhiro Sato | 1998-07-07 |
| 5748390 | Imaging lens system | Sumio Kawai, Tatsuo Kitazawa, Hisashi Goto | 1998-05-05 |