Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356517 | Light source device, dielectric barrier discharge lamp lighting circuit, dielectric barrier discharge lamp lighting method | Minoru Fukuda | 2025-07-08 |
| 12219688 | Dielectric barrier plasma generator and plasma discharge starting method for dielectric barrier plasma generator | Takahiro Hiraoka, Kensuke Nakamura | 2025-02-04 |
| 10191362 | Light source unit and projector | Masashi Okamoto, Fumihiko Oda | 2019-01-29 |
| 10031407 | Light source unit and projector | Masashi Okamoto, Yuichi Miura | 2018-07-24 |
| 9749603 | Projector light source unit having intensity controller | Masashi Okamoto | 2017-08-29 |
| 9720301 | Laser light source apparatus and temperature control method of wavelength conversion element in laser light source apparatus | Nobuhiko Sugihara, Kentaro Fujita, Yoshihiro Horikawa | 2017-08-01 |
| 9615069 | Light source unit and projector | Masashi Okamoto, Yuichi Miura, Shohei Tsukamoto, Hirotaka Yamada | 2017-04-04 |
| 9581885 | Light source apparatus and projector | Masashi Okamoto, Fumihiko Oda | 2017-02-28 |
| 9509967 | Light source device and projector | Fumihiko Oda, Masashi Okamoto | 2016-11-29 |
| 9385505 | Laser light source apparatus, and method for controlling temperature of wavelength conversion element in laser light source apparatus | Nobuhiko Sugihara, Kazuhiro Yoshida, Kentaro Fujita | 2016-07-05 |
| 9380686 | Discharge lamp lighting apparatus and projector | Masashi Okamoto, Isao Miyake | 2016-06-28 |
| 9166360 | Laser light source apparatus | Yoshihiro Horikawa, Takayuki Kozakura, Tetsuya Ozawa, Toru Nishikubo, Kazuhiro Yoshida | 2015-10-20 |
| 9137881 | Discharge lamp lighting apparatus | Koji Yamada, Keiichi Matsumoto, Takashi Yamashita | 2015-09-15 |
| 9030111 | High pressure discharge lamp lighting device with electrode temperature control | Atsushi Imamura | 2015-05-12 |
| 8952633 | High pressure discharge lamp lighting apparatus | Atsushi Imamura, Minoru Fukuda | 2015-02-10 |
| 8950873 | Light source apparatus and projector | Masashi Okamoto, Mikio Shimizu, Yuichi Miura | 2015-02-10 |
| 8525431 | Modulated power lighting mode for lighting apparatus of high-pressure discharge lamp and projector | Koji Yamada, Takashi Yamashita | 2013-09-03 |
| 8358079 | Discharge lamp light apparatus | Masashi Okamoto | 2013-01-22 |
| 8305000 | Discharge lamp lighting apparatus | Masashi Okamoto | 2012-11-06 |
| 8294390 | Discharge lamp lighting apparatus | Masashi Okamoto | 2012-10-23 |
| 7845805 | Discharge lamp lighting apparatus and projector | Masashi Okamoto, Akihiko Sugitani, Yoshihiro Horikawa | 2010-12-07 |
| 7847492 | Discharge lamp lighting apparatus and projector | Masashi Okamoto | 2010-12-07 |
| 7736440 | Method and apparatus for preventing adherence of solid products in gas exhaust pipe and exhaust gas abatement device with same apparatus | Hiroshi Ikeda, Takashi Kyotani, Kenji Kamimura, Munetaka Kitajima | 2010-06-15 |
| 7332874 | Discharge lamp ignition device | Masashi Okamoto | 2008-02-19 |
| 7332868 | Discharge lamp lighting device | Masashi Okamoto | 2008-02-19 |