Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10892716 | Amplifier | Shinsuke Nakano, Hiroaki Katsurai, Masafumi Nogawa, Masatoshi Tobayashi, Shigehiro Kurita +1 more | 2021-01-12 |
| 10361807 | Station-side device and wavelength control method | Katsuhisa Taguchi, Tomoaki Yoshida, Kota Asaka | 2019-07-23 |
| 10230485 | Station-side device and wavelength changeover method | Tomoaki Yoshida, Kota Asaka | 2019-03-12 |
| 10009137 | Optical communication system, station-side device, subscriber device, and optical communication method | Tomoaki Yoshida, Shin KANEKO | 2018-06-26 |
| 9871614 | WDM/TDM-PON system and transmission start time correction method thereof | Tomoaki Yoshida, Shin KANEKO | 2018-01-16 |
| 9838149 | Wavelength and bandwidth allocation method | Shinya Tamaki, Hirotaka Nakamura | 2017-12-05 |
| 9780867 | Optical communication system and optical communication abnormality-recovery method | Tomoaki Yoshida, Shin KANEKO | 2017-10-03 |
| 9768908 | Protection method and optical communication system | Shin KANEKO, Tomoaki Yoshida | 2017-09-19 |
| 9479284 | Discovery method, optical communication method, and optical communication system | Shin KANEKO, Shinya Tamaki | 2016-10-25 |
| 9350482 | Wavelength and bandwidth allocation method | Shinya Tamaki, Hirotaka Nakamura | 2016-05-24 |
| 9236971 | Bandwidth allocation device and bandwidth allocation method | Shinya Tamaki, Tomoaki Yoshida, Hirotaka Nakamura, Shin KANEKO | 2016-01-12 |
| 9116305 | Arrayed waveguide grating, optical module provided with said arrayed waveguide grating, and optical communications system | Hirotaka Nakamura, Shinya Tamaki, Takayuki Mizuno, Hiroshi Takahashi, Mikitaka Itoh +1 more | 2015-08-25 |
| 8369713 | Bit-rate discrimination method and its apparatus | Kazutaka Hara, Hirotaka Nakamura, Koji Kitahara, Yoshikazu Urabe, Masahiro Endo | 2013-02-05 |
| 8094692 | Modulation method, modulation program, recording medium, modulation device, and optical transmitter | Hirotaka Nakamura, Kazutaka Hara, Koji Kitahara | 2012-01-10 |
| 7936842 | Automatic bit rate control circuit | Tomoaki Yoshida, Koji Kitahara, Hiroshi Takada | 2011-05-03 |
| 7881414 | Bit rate discrimination circuit based on a low frequency component of signal | Tomoaki Yoshida, Koji Kitahara, Hiroshi Takada | 2011-02-01 |
| 7281768 | Manufacturing method and apparatus of brush | Hisao Sato, Kenichi Okabe | 2007-10-16 |