Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049422 | Electric discharge lamp having ceramic luminous tube | Yukihiro Onoda | 2011-11-01 |
| 7977886 | Mercury-free discharge bulb | Takeshi Fukuyo, Shinichi Irisawa, Yukihiro Onoda | 2011-07-12 |
| 7973479 | Discharge lamp | Masaya Shido | 2011-07-05 |