Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9392676 | Discharge lamp lighting device, projector, and method for driving discharge lamp | — | 2016-07-12 |
| 8937436 | Light source device, projector, and driving method of discharge lamp | Kentaro Yamauchi, Tetsuo Terashima, Takeshi Takezawa, Shigeyasu Soma | 2015-01-20 |
| 8558471 | Light source device, projector, and driving method of discharge lamp | Kentaro Yamauchi, Tetsuo Terashima, Takeshi Takezawa, Shigeyasu Soma | 2013-10-15 |
| 8541955 | Discharge lamp lighting device, projector, and discharge lamp lighting device control method | — | 2013-09-24 |
| 8264170 | Discharge lamp lighting device, method of driving discharge lamp, and projector | Tetsuo Terashima | 2012-09-11 |
| 8203280 | Light source device, projector, and driving method of discharge lamp | Kentaro Yamauchi, Tetsuo Terashima, Takeshi Takezawa, Shigeyasu Soma | 2012-06-19 |
| 8167438 | Light source device, projector, and driving method of discharge lamp | Kentaro Yamauchi, Tetsuo Terashima, Takeshi Takezawa, Shigeyasu Soma | 2012-05-01 |
| 8102128 | Driving method and driving device for discharge lamp, light source device, and image display device | Tetsuo Terashima, Kentaro Yamauchi, Takeshi Takezawa | 2012-01-24 |
| 8089214 | Driving method and driving device for discharge lamp, light source device, and image display device | Tetsuo Terashima, Kentaro Yamauchi, Takeshi Takezawa | 2012-01-03 |
| 8076861 | Driving method and driving device for discharge lamp, light source device, and image display device | Tetsuo Terashima, Kentaro Yamauchi, Takeshi Takezawa | 2011-12-13 |
| 8044613 | Discharge lamp lighting device, control method thereof, and projector | Kentaro Yamauchi, Tetsuo Terashima, Takeshi Takezawa | 2011-10-25 |
| 7999488 | Ignition controller, light source, projector and ignition control method | — | 2011-08-16 |
| 7999490 | Light source, projector, and method for driving light source | Tetsuo Terashima, Kentaro Yamauchi, Takeshi Takezawa, Keishi Kimura | 2011-08-16 |
| 7946715 | Light source and projector | Kentaro Yamauchi, Tetsuo Terashima, Takeshi Takezawa, Keishi Kimura | 2011-05-24 |
| 7923940 | Discharge lamp lighting device and projector | — | 2011-04-12 |
| 7511433 | Discharge lamp lighting device and projector | — | 2009-03-31 |
| 7439681 | Ballast and projector | — | 2008-10-21 |
| 7084586 | Discharge lamp lighting apparatus and discharge lamp apparatus | Yutaka Ishihara | 2006-08-01 |
| 6979960 | Circuit for driving light source, projector, method for controlling lighting of light source, and computer readable program for executing the same | Tomiyoshi Ushiyama | 2005-12-27 |
| 6815912 | Discharge lamp lighting apparatus and discharge lamp apparatus | Yutaka Ishihara | 2004-11-09 |