Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487023 | Zoom lens system and a zoom lens barrel therefor | — | 2002-11-26 |
| 6353505 | Zoom lens system | — | 2002-03-05 |
| 6317275 | Internal focusing telephoto lens | — | 2001-11-13 |
| 6313955 | Rear-focusing telephoto lens system | — | 2001-11-06 |
| 6278544 | Real-image zoom finder optical system | — | 2001-08-21 |
| 6208471 | Zoom lens system | Takashi Enomoto, Takayuki Ito | 2001-03-27 |
| 6181487 | Photographic lens | Nobutaka Minefuji | 2001-01-30 |
| 6181488 | Photographic lens | Nobutaka Minefuji | 2001-01-30 |
| 6128140 | Zoom lens system | — | 2000-10-03 |
| 6078435 | Zoom lens system | — | 2000-06-20 |
| 6002533 | Close-up attachment lens | — | 1999-12-14 |
| RE36326 | Zoom lens system | Takayuki Ito, Sachio Hasushita | 1999-10-05 |
| 5793533 | Zoom lens system | Takayuki Ito | 1998-08-11 |
| 5701205 | Shiftable lens system | Sachio Hasushita, Koichi Maruyama, Takayuki Ito | 1997-12-23 |
| 5642223 | Tilting lens system | Sachio Hasushita, Koichi Maruyama, Takayuki Ito | 1997-06-24 |
| 5625487 | Device for adjusting the diopter setting of a finder assembly | Sachio Hasushita, Tetsuya Abe, Hirofumi Matsuo, Ryota Ogawa, Ichiro Taguchi +1 more | 1997-04-29 |
| 5621568 | Device for adjusting the diopter setting of a finder assembly | Sachio Hasushita, Tetsuya Abe, Hirofumi Matsuo, Ryota Ogawa, Ichiro Taguchi +1 more | 1997-04-15 |
| 5581314 | Camera with stereoscopic optical system | Isamu Hirai, Kiyoshi Kawano, Shinya Suzuka | 1996-12-03 |
| 5570150 | Stereo photographing system | Shinya Suzuka | 1996-10-29 |
| 5570235 | Compact zoom lens | — | 1996-10-29 |
| 5424871 | Zoom lens system | Takayuki Ito, Sachio Hasushita | 1995-06-13 |
| 5400101 | Zooming finder | Takayuki Ito | 1995-03-21 |
| 5347399 | Zoom lens system | Takayuki Sensui | 1994-09-13 |
| 5325234 | Telephoto lens system | — | 1994-06-28 |
| 5278699 | Zoom lens system | Takayuki Ito, Sachio Hasushita | 1994-01-11 |