Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249500 | Light-emitting gas recovery method and light-emitting gas recovery apparatus | Masashi Dan, Takumi Yamane, Yasushi Mizushima, Kimiya Iwasaki | 2025-03-11 |
| 8427055 | High pressure discharge lamp | Takashi Yamashita, Hirohisa Iwabayashi | 2013-04-23 |
| 8314570 | High pressure discharge lamp light source device | Minoru Fukuda, Tomoyoshi Arimoto | 2012-11-20 |
| 8072145 | Extra high pressure mercury lamp with each electrode held by a sealing portion | Shuki Kasaishi, Nobuhiko Sugihara, Toyohiko Kumada | 2011-12-06 |
| 7800307 | Electrode and extra-high pressure discharge lamp using the same | Yoshihiro Horikawa | 2010-09-21 |
| 7468584 | Discharge lamp with a discharge filling having a measured emission intensity of argon to OH radicals and method of manufacturing the same | Noriko Nishiaki, Yoshihiro Horikawa, Senga Takehito | 2008-12-23 |