Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067195 | Binoculars having hand-vibration compensation system | Ken Hirunuma, Shinji Tsukamoto, Tetsuo Sekiguchi | 2000-05-23 |
| 6057962 | Observation optical system having hand-vibration compensation system | Ken Hirunuma, Shinji Tsukamoto, Tetsuo Sekiguchi | 2000-05-02 |
| 6057963 | Binocular having hand-vibration compensation system | Ken Hirunuma, Shinji Tsukamoto | 2000-05-02 |
| 6043934 | Observing equipment having hand-vibration compensation system | Ken Hirunuma, Shinji Tsukamoto, Tetsuo Sekiguchi | 2000-03-28 |
| 6038072 | Binocular having hand-vibration compensation system | Ken Hirunuma, Shinji Tsukamoto | 2000-03-14 |
| 6035145 | Real-image variable magnification view finder | — | 2000-03-07 |
| 6018420 | Binocular having hand-vibration compensation system | Ken Hirunuma, Shinji Tsukamoto | 2000-01-25 |
| 6011655 | Eyepiece | — | 2000-01-04 |
| 5790313 | Eyepiece system | — | 1998-08-04 |
| 5786935 | Scope | Ryota Ogawa | 1998-07-28 |
| 5754336 | Optical system for a real image type view finder | — | 1998-05-19 |
| 5754339 | Vibration compensation device for binocular | Yasuhiro Nishikata, Tetsuo Sekiguchi | 1998-05-19 |
| 5694244 | Real-image finder having variable power | Tetsuya Abe, Takayuki Ito, Sachio Hasushita | 1997-12-02 |
| 5668674 | Reflecting prism and a finder system having a reflecting prism | Sachio Hasushita | 1997-09-16 |
| 5589976 | Telescope with rear converter and rear conversion lens and telescope | Hirofumi Matsuo | 1996-12-31 |