Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10231035 | Optical network controller and optical network control method | Hitoshi Takeshita, Akio Tajima | 2019-03-12 |
| 10211923 | Optical network system, optical node device, and optical path setting method | Hitoshi Takeshita, Shinsuke Fujisawa, Akio Tajima | 2019-02-19 |
| 10193651 | Optical network controller and optical network control method | Hitoshi Takeshita, Shinsuke Fujisawa, Ryuichi Ikematsu, Akio Tajima | 2019-01-29 |
| 9979468 | Optical communication system, optical node device, and optical path setting method | Shinsuke Fujisawa, Hitoshi Takeshita, Akio Tajima | 2018-05-22 |
| 9154254 | Wavelength path multiplexing/demultiplexing apparatus and wavelength path multiplexing/demultiplexing method | Masahiro Sakauchi, Shigeru Nakamura | 2015-10-06 |
| 8929734 | Multiplexer/demultiplexer and multiplexing/demultiplexing method | Kenji Mizutani, Akio Tajima, Masahiro Sakauchi, Masahiro Hayashitani, Hiroyuki Takagi | 2015-01-06 |
| 8315491 | Optical connector and optical coupling structure | Ichiro Hatakeyama, Ichiro Ogura | 2012-11-20 |
| 7983048 | Structure for mounting semiconductor package | Junichi Sasaki | 2011-07-19 |
| 7620272 | Photoelectric composite module and optical input/output device | Kazuhiko Kurata, Ichiro Ogura, Junichi Sasaki, Ichiro Hatakeyama, Yoichi Hashimoto +1 more | 2009-11-17 |