Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11762264 | Projection system and projection lens unit | — | 2023-09-19 |
| 9459431 | Wide angle lens, imaging optical device and digital equipment | — | 2016-10-04 |
| 8049967 | Anamorphic lens | — | 2011-11-01 |
| 8009366 | Super wide-angle lens | — | 2011-08-30 |
| 7751128 | Wide-angle lens | — | 2010-07-06 |
| 7551373 | Image pickup optical system | — | 2009-06-23 |
| 7486334 | Image display system | Kouzou Masuda, Ikuya Arai, Sadao Tsuruga, Jiro Kawasaki, Tsuyoshi Sano +5 more | 2009-02-03 |
| 7375906 | Wide-angle lens system and image-taking device | Masashi Isono | 2008-05-20 |
| 7304808 | Wide-angle lens system | Masashi Isono | 2007-12-04 |
| 6791623 | Image display system | Kouzou Masuda, Ikuya Arai, Sadao Tsuruga, Jiro Kawasaki, Tsuyoshi Sano +5 more | 2004-09-14 |
| 6606201 | Zoom lens system | — | 2003-08-12 |
| 6545817 | Zoom lens system | — | 2003-04-08 |
| 6515803 | Zoom lens system | — | 2003-02-04 |
| 5978041 | Image display system | Kouzou Masuda, Ikuya Arai, Sadao Tsuruga, Jiro Kawasaki, Tsuyoshi Sano +5 more | 1999-11-02 |