Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11594982 | Parallel inverter device | Hirotoshi Ezawa, Naotsugu Ogura, Shin Kobayashi | 2023-02-28 |
| 9052576 | Projection apparatus which adjusts power to light-emitting devices to correct a decrease in luminance due to heat generation, and projection method and program for the same | Hideo Suzuki | 2015-06-09 |
| 8794765 | Projection apparatus, projection method, and medium storing program | Hiroki Masuda | 2014-08-05 |
| 8733945 | Light source unit and projector | Hiroshi Ogino, Osamu Umamine, Hiroki Masuda, Masanori Ohta, Naotsugu Ogura +2 more | 2014-05-27 |
| 8500289 | Light source unit including a luminescent wheel that performs control to rotate or stop the wheel while light is emitted onto it and projector | — | 2013-08-06 |
| 8485671 | Projector apparatus which controls pulse widths of light beams emitted from pulse-driven light sources of different colors based on measured illumination values of the light sources | — | 2013-07-16 |
| 8465158 | Light source device, projection apparatus, and projection method | Hideo Suzuki | 2013-06-18 |
| 8444273 | Light source device, projection apparatus, and projection method | — | 2013-05-21 |
| 8444276 | Light source device, projection apparatus including the light source device, and projection method | — | 2013-05-21 |
| 8408719 | Projection apparatus and projection method | — | 2013-04-02 |
| 8405014 | Light source unit and projector having a light source control device for controlling the emission of excitation light and rotating speed of a luminescent wheel | — | 2013-03-26 |
| 8403492 | Light source device, video projector and video projection method | — | 2013-03-26 |
| 8403493 | Projection apparatus and projection method for controlling emission of plural color light sources having different luminous efficiencies | Masahiro Ogawa | 2013-03-26 |
| 8348435 | Light source unit and projector | Hiroshi Ogino, Osamu Umamine, Hiroki Masuda, Masanori Ohta, Naotsugu Ogura +2 more | 2013-01-08 |
| 8342694 | Projection apparatus, method, and program for adjusting a brightness of a light source so that a calculated chromaticity indicating brightness becomes a target chromaticity | — | 2013-01-01 |
| 8272745 | Light source device, projection apparatus, and projection method | — | 2012-09-25 |
| 8210691 | Projector apparatus which controls pulse widths of light beams emitted from pulse-driven light sources of different colors based on deterioration levels thereof | — | 2012-07-03 |