Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979844 | Light-emitting semiconductor device and method of fabrication | Kohji Ohtsuka, Masataka Yanagihara, Masaaki Kikuchi | 2005-12-27 |
| 6890791 | Compound semiconductor substrates and method of fabrication | Koji Ohtsuka, Junji Sato, Masahiro Sato | 2005-05-10 |