Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9133564 | Ammonothermal growth of group-III nitride crystals on seeds with at least two surfaces making an acute, right or obtuse angle with each other | Siddha Pimputkar, James S. Speck, Shuji Nakamura | 2015-09-15 |
| 8647967 | Hexagonal wurtzite type epitaxial layer possessing a low alkali-metal concentration and method of creating the same | Makoto Saito, Derrick S. Kamber, Steven P. DenBaars, James S. Speck, Shuji Nakamura | 2014-02-11 |
| 5051376 | Method for producing semiconductor device and semiconductor device produced thereby | Yutaka Yamada, Toshihiko Ibuka, Fumio Orito, Yuichi Seta | 1991-09-24 |