Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11062896 | High-pressure discharge lamp | Masashi Dan, Takumi Yamane, Taro ARIMOTO, Shinji Nikawa | 2021-07-13 |
| 9633829 | Discharge lamp | Yukiharu Tagawa, Mitsuo FUNAKOSHI, Yukio Yasuda, Yuki Otoshima, Hirohisa Iwabayashi | 2017-04-25 |
| 9548196 | Discharge lamp | Yukiharu Tagawa, Mitsuo FUNAKOSHI, Yukio Yasuda, Hirohisa Iwabayashi | 2017-01-17 |
| 8525410 | Short arc type discharge lamp | Mitsuru Ikeuchi, Akihiro Shimizu | 2013-09-03 |
| 8497632 | Short arc type discharge lamp | Akihiro Shimizu, Mitsuru Ikeuchi | 2013-07-30 |
| 8400060 | Short arc type discharge lamp | Mitsuru Ikeuchi, Akihiro Shimizu | 2013-03-19 |
| 8390198 | Discharge lamp with an improved cathode of the type having a thoriated tungsten part | Akihiro Shimizu, Mitsuru Ikeuchi | 2013-03-05 |
| 8314570 | High pressure discharge lamp light source device | Takuya Tsukamoto, Minoru Fukuda | 2012-11-20 |
| 8283863 | Xenon short arc lamp for digital a projector | Shunichi Morimoto, Tetsuya Kitagawa, Akiko Uchino | 2012-10-09 |
| 7960923 | High pressure discharge lamp lighting apparatus | Takashi Yamashita, Tetsuji Hirao, Tetsu Okamoto, Kentaro Fujita | 2011-06-14 |
| 7439691 | High pressure discharge lamp lighting device | Katsumi Sugaya, Izumi Takaya | 2008-10-21 |
| 7382093 | Device for operation of a discharge lamp of the short arc type | Yoshikazu Suzuki, Katsumi Sugaja | 2008-06-03 |
| 7239089 | Power supply apparatus for high pressure discharge lamp | Yoshikazu Suzuki | 2007-07-03 |
| 7170237 | Device for operation of a high pressure discharge lamp | Yoshikazu Suzuki, Katsumi Sugaya | 2007-01-30 |
| 7138769 | Device for operation of a high pressure discharge lamp and a projector device | Yoshikazu Suzuki, Katumi Sugaja | 2006-11-21 |
| 7122960 | Emission device for an ultra-high pressure mercury lamp | Takuya Tukamoto, Yoshikazu Suzuki | 2006-10-17 |
| 7023144 | Device for operation of a high pressure discharge lamp | Yoshikazu Suzuki, Katumi Sugaya | 2006-04-04 |
| 6960884 | Device for operating a short arc discharge mercury lamp | Katumi Sugaja, Yoshikazu Suzuki | 2005-11-01 |
| 6927539 | Device and method for operating a high pressure discharge lamp | Yoshikazu Suzuki | 2005-08-09 |
| 6914383 | Light source device | Takashi Yamashita, Atsushi Imamura | 2005-07-05 |
| 6888321 | Device for operating a high pressure discharge lamp | Yoshikazu Suzuki | 2005-05-03 |
| 6867556 | Device for operating a high pressure discharge lamp | Yoshikazu Suzuki | 2005-03-15 |
| 6815910 | Device for operating a high pressure discharge lamp | Yoshikazu Suzuki | 2004-11-09 |
| 6597118 | High-pressure mercury lamp luminescent device and means of ignition | Masashi Okamoto, Izumi Takaya | 2003-07-22 |
| 6376998 | Feeding device for discharge lamp | Masashi Okamoto, Tomohiro Yamamoto, Yoshitaru Kondo | 2002-04-23 |