Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11423782 | Traffic status estimation device, traffic status estimation method, and program recording medium | Yuta ASHIDA | 2022-08-23 |
| 11398113 | Toll control system, toll control apparatus, toll control method, and computer-readable recording medium | Wemer WEE | 2022-07-26 |
| 11222532 | Traffic control support system, traffic control support method, and program recording medium | Yuta ASHIDA | 2022-01-11 |
| 10950123 | Traffic control system, traffic information output device, traffic control method, and recording medium | Yuta ASHIDA | 2021-03-16 |
| 10540891 | Traffic-congestion prevention system, traffic-congestion prevention method, and recording medium | Yuta ASHIDA | 2020-01-21 |
| 9306663 | Controller, a communication system, a communication method, and a storage medium for storing a communication program | Shaowei Huang | 2016-04-05 |
| 9215167 | Network system | Kazuo Takagi, Hiroshi Tanaka | 2015-12-15 |
| 8897126 | Communication apparatus, apparatus activation control method, communication control method, and communication control program | Toshimitsu Kashima, Masakatsu Yanagisawa, Makoto Kawamichi | 2014-11-25 |
| 8750286 | Network communication system, communication device, network linkage method and program thereof | — | 2014-06-10 |
| 8693880 | Wavelength path communication node apparatus, wavelength path communication control method, and recording medium | Masahiro Sakauchi, Shigeru Nakamura, Yutaka Urino, Kiyoshi Fukuchi | 2014-04-08 |
| 8483052 | Communication network system, communication device, route design device, and failure recovery method | — | 2013-07-09 |
| 8116228 | Network path control system, path control device, and path control method | — | 2012-02-14 |
| 8090257 | Optical communication system, optical communication apparatus, and method of monitoring fault alarm in path section detour | — | 2012-01-03 |
| 7468944 | Path fault recovery method, switching-back method after recovery from fault, and node using the same | Yoshihiko Suemura | 2008-12-23 |
| 7355979 | Communication network, path setting method, network management system and node | Yoshihiko Suemura | 2008-04-08 |
| 7058303 | Optical cross-connecting device | Ryo Yamada, Soichiro Araki, Yoshihiko Suemura, Yoshiharu Maeno, Atsushi Iwata | 2006-06-06 |