Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586263 | Discharge lamp having a cathode and emitter assembly composed of tungsten and thorium oxide and joined through a carbide interface region | Shunichi Morimoto, Yasuro Kikuchi | 2009-09-08 |
| 7471885 | Filament lamp | Yoichi Mizukawa, Tetsuya Kitagawa | 2008-12-30 |
| 7397191 | High pressure discharge lamp having a conical part and a cylindrical body part | Yasuro Kikuchi, Kyosuke Fujina | 2008-07-08 |
| 7098597 | Xenon lamp | Katsuoki Miyasu, Kyosuke Fujina | 2006-08-29 |
| 6949881 | Discharge lamp of the short arc type | Takafumi Kimura | 2005-09-27 |