Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012784 | Method for producing group III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device, and lamp | Hisayuki Miki, Yasunori Yokoyama, Takehiko Okabe | 2011-09-06 |
| 7935980 | Method of manufacturing a semiconductor light-emitting device | Yasunori Yokoyama | 2011-05-03 |