Issued Patents All Time
Showing 51–75 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600490 | Zoom lens for projecting video image | Hiroyuki Hamano | 1997-02-04 |
| 5598240 | Zoom lens drive system for lens shutter type of camera | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +1 more | 1997-01-28 |
| 5583596 | Lens shutter camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1996-12-10 |
| 5552938 | Projection device for projecting an original image onto a screen | — | 1996-09-03 |
| 5550679 | Projection lens apparatus having a plurality of lens groups to perform zooming | — | 1996-08-27 |
| 5471344 | Photographing apparatus having optical low-pass filter | — | 1995-11-28 |
| 5341243 | Zoom lens of rear focus type | Atsushi Okuyama, Kenichi Kimura | 1994-08-23 |
| 5303088 | Retrofocus type lens | — | 1994-04-12 |
| 5280317 | Lens shutter camera including zoom lens drive system | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +1 more | 1994-01-18 |
| 5276475 | Lens shutter camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1994-01-04 |
| 5274429 | Distance measuring device | Masayuki Misawa, Isamu Hirai | 1993-12-28 |
| 5264885 | Lens shutter camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1993-11-23 |
| 5257134 | Zoom lens | — | 1993-10-26 |
| 5247393 | Zoom lens | — | 1993-09-21 |
| 5162831 | Zoom lens drive system for camera | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +1 more | 1992-11-10 |
| 5160192 | Illuminating instrument | — | 1992-11-03 |
| 5157429 | Lens shutter camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1992-10-20 |
| 5150145 | Lens shutter camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1992-09-22 |
| 5142315 | Lens shutter type of camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1992-08-25 |
| 5137350 | Distance measuring device | Masayuki Misawa, Isamu Hirai | 1992-08-11 |
| 5136427 | Optical system for use with a viewfinder | — | 1992-08-04 |
| 5134524 | Rear focus type zoom lens | Hiroyuki Hamano, Kenichi Kimura | 1992-07-28 |
| 5085977 | Focusing screen and a method of forming a microstructure array for use with a focusing screen | Toshiharu Takahashi, Hideaki Yuda, Moriyasu Shirayanagi | 1992-02-04 |
| 5081545 | Focusing screen | Toshiharu Takahashi, Hideaki Yuda, Moriyasu Shirayanagi | 1992-01-14 |
| 5066115 | View-finding optical system capable of eyesight adjustment | — | 1991-11-19 |