Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035181 | Semiconductor photodetector with improved quantum efficiency as a function of detected light wavelength | Eitaro Ishimura | 2011-10-11 |
| 7928472 | Optical semiconductor device with a distributed Bragg reflector layer | Eitaro Ishimura, Eiji Yagyu | 2011-04-19 |
| 7910953 | Optical semiconductor device | Eitaro Ishimura, Eiji Yagyu | 2011-03-22 |
| 7893460 | Semiconductor light detecting element including first and second multilayer light reflective structures sandwiching and contacting a light absorptive layer | Eitaro Ishimura | 2011-02-22 |
| 7875943 | Semiconductor photoreceptor device | Eitaro Ishimura | 2011-01-25 |