Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868526 | Light source device | Koji Matsushita, Kazuo Ueno | 2011-01-11 |
| 7781948 | Light source device including a gas discharge tube, a housing, and an insulating socket member | Koji Matsushita, Kazuo Ueno | 2010-08-24 |
| 6741036 | Gas discharge tube | Tomoyuki Ikedo, Yoshinobu Ito, Ryotaro Matui | 2004-05-25 |
| 6586866 | Gas discharge tube having precise electrode arrangement | Tomoyuki Ikedo, Yoshinobu Ito, Ryotaro Matui | 2003-07-01 |
| 6573655 | Gas discharge tube | Tomoyuki Ikedo, Yoshinobu Ito, Ryotaro Matui | 2003-06-03 |
| 6559576 | Gas discharge tube having sealed envelope with metallic portion and light projection glass window | Tomoyuki Ikedo, Yoshinobu Ito, Ryotaro Matui | 2003-05-06 |
| 6531821 | Gas discharge tube | Tomoyuki Ikedo, Yoshinobu Ito, Ryotaro Matui | 2003-03-11 |
| 6380663 | Gas discharge tube having a side tube with glass coating | Tomoyuki Ikedo, Yoshinobu Ito, Ryotaro Matui | 2002-04-30 |