Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488918 | Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipment | Shigenori Hayakawa, Kaoru Okamoto, Shunya YAMAUCHI, Yasushi Sakuma | 2013-07-16 |
| 7409113 | Semiconductor electro-absorption optical modulator, semiconductor electro-absorption optical modulator integrated laser, optical transmitter module and optical module | Kazuhisa Uomi, Hiroyuki Kamiyama, Kazuhiko Naoe | 2008-08-05 |
| 7190872 | Semiconductor optical amplifier and optical module using the same | Hiroyuki Kamiyama, Kenji Uchida | 2007-03-13 |
| 7127145 | Semiconductor optical amplifier, and optical module using the same | Hiroyuki Kamiyama, Kenji Uchida | 2006-10-24 |
| 7011458 | Optical module | Osamu Kagaya, Hiroyuki Arima | 2006-03-14 |