Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8106589 | Direct-current high voltage discharge bulb for vehicle lamp | Yoichiro Domae | 2012-01-31 |
| 8098014 | Mercury-free arc tube for discharge lamp unit | Hiroyuki Takatsuka | 2012-01-17 |
| 8004195 | Discharge bulb for vehicle | — | 2011-08-23 |
| 7973479 | Discharge lamp | Toshiaki Tsuda | 2011-07-05 |
| 7750569 | High-frequency discharge lamp incorporating an auxiliary starting electrode and lamp attachment to a coaxial waveguide | Takuya Serita | 2010-07-06 |
| 7598676 | Discharge lamp | Takuya Serita | 2009-10-06 |
| 7098596 | Mercury-free arc tube for discharge lamp unit | Michio Takagaki | 2006-08-29 |
| 6894429 | Discharge lamp device | Toshiaki Tsuda, Masato Harazaki, Kunimasa Mochizuki | 2005-05-17 |
| 6825616 | Discharge bulb with shroud glass having metal oxide in specific range | Yukihiro Kobayakawa | 2004-11-30 |
| 6750612 | Mercury-free arc tube for discharge lamp unit | Michio Takagaki, Shinichi Irisawa, Takeshi Fukuyo | 2004-06-15 |
| 6710521 | Discharge bulb with infrared transmitting film | Toshiaki Tsuda | 2004-03-23 |
| 6653785 | Arc tube with pinch seal and dimensional relationship and method for forming the same | Michio Takagaki, Yukihiro Kobayakawa, Masayuki Umehara, Nobuyuki Kasuya, Takeshi Fukuyo +1 more | 2003-11-25 |