Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8143787 | Xenon lamp | Yasuro Kikuchi | 2012-03-27 |
| 7719193 | Discharge lamp cathode having tip, middle, and body portions | Yasuro Kikuchi | 2010-05-18 |
| 7397191 | High pressure discharge lamp having a conical part and a cylindrical body part | Yasuro Kikuchi, Norihiro Inaoka | 2008-07-08 |
| 7098597 | Xenon lamp | Norihiro Inaoka, Katsuoki Miyasu | 2006-08-29 |
| 6831425 | Xenon discharge lamp lighting device | Takeo Matsushima, Yoichiro Higashimoto | 2004-12-14 |
| 6703769 | Short-arc type discharge lamp having ventillation apertures at the bottom of the bases | Takumi Yamane, Takeo Matushima, Kazuhiro Inaoka | 2004-03-09 |
| 6657383 | Discharge lamp of the short arc type | Takeo Matsushima, Yasuro Kikuchi | 2003-12-02 |
| 5633556 | Discharge lamp of the water cooled type | Shoichi Mayama, Katsuoki Miyasu | 1997-05-27 |