Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9461754 | Optical receiving apparatus, optical transmitter and receiver module, and optical transmitting and receiving apparatus | Kohei Shibata, Takuya Nakao, Yasuhiro Yamauchi, Ryuichi Yoshida, Hiroyuki Furukawa | 2016-10-04 |
| 7646982 | Chromatic dispersion compensator | Yasuhiro Yamauchi, Hiroyuki Furukawa, Yoshinobu Kubota | 2010-01-12 |
| 7319821 | Chromatic dispersion generating apparatus | Yuji Sakata, Yasuhiro Yamauchi, Shinichi Wakana, Hideo Okada | 2008-01-15 |
| 7200297 | Device using a virtually-imaged phased array (VIPA) with an improved transmission wave characteristic of output light | Yasuhiro Yamauchi, Yuichi Kawahata, Nobuaki Mitamura | 2007-04-03 |
| 6894851 | Optical device | Yujin Yamazaki, Yuichi Kawahata, Nobuaki Mitamura | 2005-05-17 |
| 6384957 | Variable optical attenuator utilizing Faraday effect | Seiichi Ikeda, Nobuhiro Fukushima | 2002-05-07 |