Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7928472 | Optical semiconductor device with a distributed Bragg reflector layer | Eitaro Ishimura, Masaharu Nakaji | 2011-04-19 |
| 7910953 | Optical semiconductor device | Masaharu Nakaji, Eitaro Ishimura | 2011-03-22 |