Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119534 | Semiconductor light emitting device with protrusions to improve external efficiency and crystal growth | Hisanori TANAKA, Yasunobu Hosokawa | 2012-02-21 |
| 7683386 | Semiconductor light emitting device with protrusions to improve external efficiency and crystal growth | Hisanori TANAKA, Yasunobu Hosokawa | 2010-03-23 |