Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9768906 | Optical transmission apparatus and wavelength control method | Taku Saito | 2017-09-19 |
| 9479249 | Optical transmission system and optical transmission device | Taketo Endo, Tomohiro Kaneoka, Shoichi Murakami | 2016-10-25 |
| 9191119 | Optical transmission apparatus and optical transmission method | Hiroshi Iizuka | 2015-11-17 |
| 8488622 | Jitter control apparatus | Yuichiro Sakamoto | 2013-07-16 |
| 8139947 | Optical transmission apparatus with clock selector | — | 2012-03-20 |
| 7711218 | Optical reception apparatus and controlling method thereof | Katsumi Fukumitsu | 2010-05-04 |
| 7466478 | Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network | Takuji Maeda, Haruki Tanaka, Hiroaki Tomofuji, Hideaki Sugiya, Koji Batou | 2008-12-16 |
| 7430372 | Optical transmission system | Mamoru Suematsu, Akira Yamamoto, Haruki Tanaka, Hideaki Sugiya, Yuki Murakami | 2008-09-30 |
| 5608343 | Circuit for varying read timing | Hiroshi Kuwahara | 1997-03-04 |