Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8368801 | Camera system and interchangeable lens | Takeo Santo, Naoto Yumiki, Hiroshi Kubota | 2013-02-05 |
| 8339501 | Zoom lens system, imaging device and camera | Takakazu Bito, Mamoru Honjo | 2012-12-25 |
| 7948684 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Katsu Yamada, Kazuhiko Ishimaru | 2011-05-24 |
| 7948685 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Katsu Yamada, Kazuhiko Ishimaru | 2011-05-24 |
| 7800831 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Katsu Yamada, Kazuhiko Ishimaru | 2010-09-21 |
| 7755847 | Zoom lens system, imaging device and camera | Katsu Yamada, Keiki Yoshitsugu, Kazuhiko Ishimaru | 2010-07-13 |
| 7742235 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Katsu Yamada, Kazuhiko Ishimaru | 2010-06-22 |
| 7593166 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Katsu Yamada, Kazuhiko Ishimaru | 2009-09-22 |
| 7023623 | Zoom lens and electronic still camera using the same | Keiki Yoshitsugu | 2006-04-04 |
| 6925253 | Zoom lens and electronic still camera using it | — | 2005-08-02 |
| 6507374 | Convergence adjusting method, signal generating apparatus, and projection display unit | Tsutomu Muraji | 2003-01-14 |
| 5946054 | Optical apparatus, projection display apparatus and optical compensation method | Shinya Sannohe | 1999-08-31 |
| 5875008 | Liquid crystal panel and projection display with use of liquid crystal panel | Hiroshi Takahara, Hideki Ohmae, Mitsuhiro Wada | 1999-02-23 |
| 5795047 | Projection lens and projection display apparatus | Shinya Sannohe | 1998-08-18 |
| 5712693 | Light valve and display system with a substrate having particular relationship between its central thickness, display area diameter, and refractive index | Hiroshi Takahara, Hideki Ohmae | 1998-01-27 |
| 5689315 | Light valve apparatus which is employed in a projection display system and in a view-finder system | Yoshimasa Fushimi | 1997-11-18 |
| 5657160 | Polarization plane rotator applicable to polarization converter and projection display system | Shinya Sannohe | 1997-08-12 |
| 5583669 | Light valve apparatus, and projection display system and view-finder system employing said light valve apparatus | Yoshimasa Fushimi | 1996-12-10 |
| 5579138 | Polarizer having a glass substrate with films on either side with different wavelength characteristics and projection display using same | Shinya Sannohe | 1996-11-26 |
| 5570215 | Liquid crystal display apparatus and projection displaying apparatus having a rotatable phase difference plate and polarizer | Hideki Omae, Hiroshi Takahara | 1996-10-29 |
| 5552906 | Optically addressed picture display apparatus | Shigekazu Yamagishi, Hiroshi Miyai | 1996-09-03 |
| 5539579 | Projection lens assembly and projection display apparatus | Yuichi Kimura, Sinya Sannohe, Yoshimasa Fushimi | 1996-07-23 |
| 5517278 | Viewfinder for video cameras | Hiroshi Takahara, Hideki Ohmae | 1996-05-14 |
| 5513035 | Infrared polarizer | Shinya Sannohe | 1996-04-30 |
| 5453859 | Polarization beam splitter and projection display apparatus | Shinya Sannohe | 1995-09-26 |