Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11243349 | Wavelength conversion device and excitation light switching method | Tomohiro Yamauchi, Takeshi Hoshida, Hiroki Satou | 2022-02-08 |
| 11228822 | Transmission system, transmission device, and transmission method | Masahiro Yuki, Takeshi Sakamoto | 2022-01-18 |
| 10904648 | Transmission system, transmission device, and transmission method | Masahiro Yuki, Takeshi Sakamoto | 2021-01-26 |
| 9419709 | Transmission device and method for measuring delay | Tomoko Murakami, Hideaki Sugiya, Toshihiro Suzuki | 2016-08-16 |
| 8893115 | Apparatus having data installed and method of upgrading data | Kazuaki Nagamine, Eiji Iida, Miwa Taniguchi, Tomoyuki Kanzaki, Toshihiro Suzuki | 2014-11-18 |
| 8879145 | Raman amplifier | Tomoaki Takeyama, Kosuke Komaki, Shota Mori | 2014-11-04 |
| 7724690 | Inheritance control method of network control data between transmission apparatuses and transmission apparatus using the same | Eiji Iida, Miwa Taniguchi, Tomoyuki Kanzaki, Kazuaki Nagamine, Toshihiro Suzuki +1 more | 2010-05-25 |
| 7315696 | Gain setting method in wavelength division multiplex transmission equipment | Manabu Suzuki, Miwa Taniguchi, Toshihiro Suzuki | 2008-01-01 |
| 7301973 | Method and unit for setting a wavelength to a tunable laser | Takuma Shouji, Eiji Iida, Miwa Taniguchi, Tomoyuki Kanzaki, Kazuaki Nagamine +1 more | 2007-11-27 |
| 7260326 | Wavelength-division multiplex system and a method of automatically setting conversion wavelengths of such a system | Kouji Kawakami, Kazutaka Kikuta | 2007-08-21 |