Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580568 | Telephoto lens system | — | 2003-06-17 |
| 6483649 | Zoom lens system | — | 2002-11-19 |
| 6397009 | Zoom lens system and adjusting method of same | Takayuki Ito, Takuji Hamasaki | 2002-05-28 |
| 6333823 | Zoom lens system | Takayuki Ito | 2001-12-25 |
| 6314246 | Viewfinder optical system of a single-lens reflex camera | Takayuki Ito | 2001-11-06 |
| 6268964 | Step zoom lens | Takayuki Ito | 2001-07-31 |
| 6263168 | Eyepiece optical system for a single lens reflex camera | Sachio Hasushita | 2001-07-17 |
| 6169635 | Zoom lens system | Takayuki Ito | 2001-01-02 |
| 6052235 | Telephoto zoom lens | — | 2000-04-18 |
| 5999337 | Lens system for electronic photography | — | 1999-12-07 |
| 5930538 | Data printing device for camera | Shigeru Morishita, Kazunori Takahashi | 1999-07-27 |
| 5912771 | Zoom lens system | Takayuki Ito | 1999-06-15 |
| 5910860 | Zoom lens | Takayuki Ito | 1999-06-08 |
| 5889619 | Zoom lens system | Takayuki Ito | 1999-03-30 |
| 5864724 | Data printing device for camera | Shigeru Morishita, Kazunori Takahashi | 1999-01-26 |
| 5608489 | Eye direction detecting device | — | 1997-03-04 |
| 5488446 | Indicator within finder of single lens reflex camera | Tadayuki Kirigaya, Kaoru Imakyure, Hiroshi Kurei | 1996-01-30 |