Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8558480 | Driving method of light source apparatus for projector | — | 2013-10-15 |
| 7446482 | High pressure discharge lamp lighting apparatus | — | 2008-11-04 |
| 7439691 | High pressure discharge lamp lighting device | Izumi Takaya, Tomoyoshi Arimoto | 2008-10-21 |
| 7170237 | Device for operation of a high pressure discharge lamp | Yoshikazu Suzuki, Tomoyoshi Arimoto | 2007-01-30 |
| 6815892 | Discharge lamp with metal oxide coating | Yukihiro Morimoto | 2004-11-09 |
| 6597114 | Lamp and lamp package made of functionally gradient material | Yukiharu Tagawa, Hiroto Sato | 2003-07-22 |