Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958581 | High-intensity discharge lamp operating device and method for controlling the high-intensity discharge lamp | Masanao Okawa | 2005-10-25 |
| 6864645 | Method and circuit for driving a gas discharge lamp | Yiyoung Sun, Takeshi Goriki | 2005-03-08 |