Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022642 | Discharge lamp lighting device | Kazushige Hirata | 2011-09-20 |
| 7994736 | Cold cathode fluorescent lamp inverter apparatus | Hiroshi Usui, Jaehee Cho | 2011-08-09 |
| 7888887 | Luminescent lamp lighting device | Mizuki Utsuno, Kazushige Hirata, Toyotomo Morita | 2011-02-15 |