Issued Patents All Time
Showing 1–25 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8696133 | Projection optical system and image projecting device | Masayuki Imaoka, Jun Ishihara, Yasumasa Sawai | 2014-04-15 |
| 8425044 | Projection optical system | Keiko Yamada, Soh Ohzawa, Masayuki Imaoka | 2013-04-23 |
| 8319257 | Semiconductor device and layout design method therefor | Akinori Shibayama | 2012-11-27 |
| 8113667 | Projection optical system | Keiko Yamada, Soh Ohzawa, Masayuki Imaoka | 2012-02-14 |
| 7862180 | Optical system for image projection and image projection apparatus | Shigeru Sawamura | 2011-01-04 |
| 7854515 | Projection type image display apparatus | Atsushi Matsuura, Jun Ishihara, Masayuki Imaoka | 2010-12-21 |
| 7524068 | Projection optical system | Masayuki Imaoka, Yuichi Atarashi, Hiroshi Kibayashi | 2009-04-28 |
| 7469396 | Semiconductor device and layout design method therefor | Akinori Shibayama | 2008-12-23 |
| 7286290 | Optical illumination apparatus | — | 2007-10-23 |
| 7075615 | Light separation device, blazed grating device, diffraction grating device, and illumination optical system | Jun Ishihara, Yuichiro Ori | 2006-07-11 |
| 7012758 | Projection optical system and projecting apparatus provided with same | Tomokazu Masubuchi, Shigeru Sawamura | 2006-03-14 |
| 6880937 | Projection optical system and image projection apparatus | — | 2005-04-19 |
| 6789902 | Projection optical system and projector using the same | Tomokazu Masubuchi, Tomokazu Taguchi | 2004-09-14 |
| 6791750 | Polarization beam splitter | Tomokazu Masubuchi | 2004-09-14 |
| 6741760 | Image sensing apparatus which intentionally retains longitudinal chromatic aberration | Hiromu Mukai, Tsutomu Honda | 2004-05-25 |
| 6696714 | Multichip semiconductor device having a hip with redundancy restoration fuse that affects a redundant memory array | Masanori Shirahama | 2004-02-24 |
| 6624862 | Display optical apparatus having a rotary compensator to improve display contrast | Kenji Konno, Yasumasa Sawai, Nobuyuki Kobayashi, Kenji Nishiguchi, Hideki Nagata | 2003-09-23 |
| 6624952 | Projection optical system | Tomiei Kuwa, Soh Ohzawa | 2003-09-23 |
| 6540361 | Display optical apparatus | — | 2003-04-01 |
| 6535256 | Color liquid crystal display device | Jun Ishihara, Kenji Konno | 2003-03-18 |
| 6512633 | Optical system for compensation of image shake | Kenji Konno | 2003-01-28 |
| 6457828 | Display optical apparatus | — | 2002-10-01 |
| 6407771 | Camera having an image shift detecting function | Tetsuro Kanbara, Yoshihiro Hara, Keiji Tamai | 2002-06-18 |
| 6347014 | Illumination optical system and projection-type image display apparatus | Yasumasa Sawai, Kenji Konno | 2002-02-12 |
| 6343862 | Projecting image display device | Yasumasa Sawai, Soh Ohzawa, Yuichiro Ori, Jun Ishihara | 2002-02-05 |