Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040074 | Discharge-lamp lighting device and luminaire | Takeshi Goriki, Akira Yufuku | 2011-10-18 |
| 7994733 | Discharge lamp lighting device and light fixture | Akira Yufuku, Takeshi Goriki | 2011-08-09 |