Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819919 | Illumination device and projection display device using same | Masao Imai, Fujio Okumura | 2017-11-14 |
| 9436016 | Liquid crystal shutter eyeglass | Masao Imai | 2016-09-06 |
| 9429761 | Color synthesis optical element, projection-type display device using same, and method for controlling display thereof | Masao Imai, Fujio Okumura | 2016-08-30 |
| 9400419 | Illumination device and projection display device using same | Masao Imai, Fujio Okumura | 2016-07-26 |
| 9285599 | Three-dimensional video viewing system, display system, optical shutter, and three-dimensional video viewing method | Masao Imai, Junichirou Ishii, Fujio Okumura | 2016-03-15 |
| 9210415 | Three-dimensional picture viewing system, display system, optical shutter, and three-dimensional picture viewing method | Masao Imai, Junichirou Ishii, Fujio Okumura | 2015-12-08 |
| 9116270 | Optical element, light source device, and projection display device | Masanao Natsumeda, Masao Imai, Shin Tominaga | 2015-08-25 |
| 9039201 | Display element, display device, and projection display device | Masanao Natsumeda, Masao Imai, Shin Tominaga | 2015-05-26 |
| 9028071 | Light emitting element, light source device, and projection display device | Masanao Natsumeda, Shin Tominaga, Masao Imai | 2015-05-12 |
| 8998420 | Optical element, light source device, and projection-type display device | Shin Tominaga, Masao Imai, Masanao Natsumeda | 2015-04-07 |
| 8960915 | Optical element, light source device, and projection display device | Shin Tominaga, Masao Imai, Masanao Natsumeda | 2015-02-24 |
| 8870384 | Projection display device having light source device with color synthesis unit | Masao Imai, Fujio Okumura | 2014-10-28 |
| 8797468 | Liquid crystal shutter glasses | Masao Imai, Fujio Okumura | 2014-08-05 |
| 8619204 | Liquid crystal shutter and liquid crystal shutter eyeglass | Masao Imai | 2013-12-31 |
| 7985466 | Light control film, lighting device and display device | Masao Imai | 2011-07-26 |
| 7777834 | Light source device, display device, terminal device, light source unit, and method for driving light source device | Shin-ichi Uehara | 2010-08-17 |
| 7690810 | Illumination device and display device | Masao Imai | 2010-04-06 |
| 7160003 | Illumination device and display device incorporating the same | Masao Imai | 2007-01-09 |
| 6824285 | Light source and liquid crystal display device using this light source | Yoshie Yagi, Koji Mimura, Ken Sumiyoshi | 2004-11-30 |
| 6573970 | Liquid crystal display device | Ken-Ichi Takatori | 2003-06-03 |