Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298627 | Light irradiation device, and exposure apparatus provided therewith | Tomohiko Inoue, Kenichi Yamashita, Hiromu Matsumoto | 2025-05-13 |
| 11913985 | Light source device including discharge lamp, irradiation device and distinguishing method for discharge lamp | — | 2024-02-27 |
| D927046 | Reflector for lamp | — | 2021-08-03 |
| D873444 | Electrode for discharge lamp | — | 2020-01-21 |
| 10438789 | Light source, lighting device and method of lighting the same | Kouichi Odani | 2019-10-08 |
| 9362103 | High pressure discharge lamp and lighting method thereof | Atsuji Nakagawa, Hiroshi Takahashi, Shinichi Ushijima, Tetsuya Gouda | 2016-06-07 |
| 9129793 | High pressure discharge lamp with auxiliary lamp | Hiroshi Takahashi, Shinichi Ushijima, Tetsuya Gouda, Kei Shimada | 2015-09-08 |
| 8272768 | Light emitting device | Andrei Kazmierski | 2012-09-25 |
| 8029167 | Light emitting device | Andrei Kazmierski, Kana WATANABE | 2011-10-04 |
| 7808167 | High-pressure discharge lamp and light sources device using the same | Toshitaka Fujii, Atsuji Nakagawa, Hiroki Takahashi | 2010-10-05 |
| 6713972 | ULTRA-HIGH PRESSURE DISCHARGE LAMP LIGHTING METHOD, ULTRA-HIGH PRESSURE DISCHARGE LAMP TO WHICH THE METHOD IS APPLICABLE AND BALLAST FOR USE THEREIN, AND LIGHTING SYSTEM INCORPORATING THE LAMP AND THE BALLAST | Atsuji Nakagawa, Toshitaka Hujii, Hisao Hurukawa, Tetsuya Shirai | 2004-03-30 |
| 6285130 | Metal halide lamp | Atsuji Nakagawa, Toshitaka Fujii, Tetsuya Shirai, Tatsuo Yamamoto | 2001-09-04 |