Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9502603 | Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba, Yoshitaka Kadowaki | 2016-11-22 |
| 9012935 | Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba, Tatsunori Toyota, Yoshitaka Kadowaki | 2015-04-21 |
| 8962362 | Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba, Tatsunori Toyota, Yoshitaka Kadowaki | 2015-02-24 |
| 8963290 | Semiconductor device and manufacturing method therefor | Ryuichi Toba, Yoshitaka Kadowaki, Meoung Whan Cho, Seog Woo Lee | 2015-02-24 |
| 7622742 | III-nitride compound semiconductor light emitting device | Chang Tae Kim, Keuk KIM, Soo Kun Jeon, Jong Won Kim | 2009-11-24 |