Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10659184 | Optical transmission device, optical transmission method and optical transmission system | Kazuyuki Tajima, Masatake Miyabe | 2020-05-19 |
| 10341041 | Method and device for assisting wavelength reallocation in wavelength division multiplexing optical network | Kazuyuki Tajima, Tomohiro Hashiguchi | 2019-07-02 |
| 10158422 | Apparatus and method for estimating optical transmission performance | Shoichiro Oda, Masatake Miyabe, Setsuo Yoshida, Yasuhiko Aoki, Toru Katagiri +2 more | 2018-12-18 |
| 10116387 | Control device, optical transmission system, and method for controlling optical transmission system | Shigeru Ishii | 2018-10-30 |
| 10090923 | Information processing apparatus, wavelength defragmentation method, and non-transitory recording medium recording wavelength defragmentation program | Shigeru Ishii | 2018-10-02 |
| 10027407 | Device and method for designing optical network | Kazuyuki Tajima, Tomohiro Hashiguchi | 2018-07-17 |
| 9825728 | Demand accommodation changing order determination method | Tomohiro Hashiguchi, Kazuyuki Tajima | 2017-11-21 |
| 9602195 | Network design apparatus, network design method, and storage medium storing network design program | Tomohiro Hashiguchi, Kazuyuki Tajima | 2017-03-21 |
| 9602194 | Transmission device, network designing device, activation method, and network designing method | Masatake Miyabe, Tomohiro Hashiguchi, Kazuyuki Tajima | 2017-03-21 |
| 9495510 | Recording medium, accommodation design device, and accommodation design method | Kazuyuki Tajima, Tomohiro Hashiguchi | 2016-11-15 |
| 9281914 | Apparatus and method for designing a network transmitting wavelength multiplexed optical signals | Kazuyuki Tajima, Tomohiro Hashiguchi | 2016-03-08 |
| 9270538 | Network design apparatus and network design method | Tomohiro Hashiguchi, Kazuyuki Tajima | 2016-02-23 |
| 9160474 | Method and apparatus for designing network | Kazuyuki Tajima, Tomohiro Hashiguchi | 2015-10-13 |
| 9077480 | Demand accommodation designing system and method | Kazuyuki Tajima, Tomohiro Hashiguchi | 2015-07-07 |
| 9071384 | Network design apparatus, network design method, and storage medium storing network design program | Kazuyuki Tajima, Tomohiro Hashiguchi | 2015-06-30 |
| 8948597 | Network design apparatus | Kazuyuki Tajima, Tomohiro Hashiguchi | 2015-02-03 |
| 8805199 | Dispersion compensation design method and dispersion compensation design system | Kazuyuki Tajima, Tomohiro Hashiguchi | 2014-08-12 |
| 8781329 | Dispersion compensation design method and dispersion compensation design system | Tomohiro Hashiguchi, Kazuyuki Tajima | 2014-07-15 |
| 8737839 | Network design apparatus, method, and computer product | Toru Katagiri, Tomohiro Hashiguchi, Kazuyuki Tajima | 2014-05-27 |
| 8706882 | Apparatus and method for allocating devices to a communication route | Tomohiro Hashiguchi, Kazuyuki Tajima | 2014-04-22 |
| 8705959 | Optical network designing device, method, and program | Tomohiro Hashiguchi, Kazuyuki Tajima | 2014-04-22 |
| 8565596 | Apparatus for supporting designing of optical network, process for designing optical network, and computer-readable, non-transitory medium storing network design program | Kazuyuki Tajima, Tomohiro Hashiguchi | 2013-10-22 |
| 8543957 | Optical network design apparatus and method | Tomohiro Hashiguchi, Kazuyuki Tajima | 2013-09-24 |
| 8406626 | Optical-network design apparatus | Toru Katagiri, Tomohiro Hashiguchi, Kazuyuki Tajima | 2013-03-26 |
| 8380077 | Chromatic dispersion compensation design system and chromatic dispersion compensation design method | Toru Katagiri, Kazuyuki Tajima, Tomohiro Hashiguchi | 2013-02-19 |