Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352619 | Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus | Tadayuki Iwano, Yoshinori Kitahara, Satoru Ishii | 2025-07-08 |
| 12292325 | Detection system, detection device, and detection method | Yukihide YODA, Naoto OGURA | 2025-05-06 |
| 12117336 | Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus | Tadayuki Iwano, Satoru Ishii, Yoshinori Kitahara | 2024-10-15 |
| 12104947 | Abnormality assessment device using optical fiber sensing system | Yukihide YODA, Naoto OGURA | 2024-10-01 |
| 12092514 | Optical fiber sensing system, optical fiber sensing device, and method for detecting pipe deterioration | Yukihide YODA, Naoto OGURA | 2024-09-17 |
| 12094210 | Monitoring system, monitoring device, monitoring method, and non-transitory computer-readable medium | Yukihide YODA, Koji Asahi | 2024-09-17 |
| 12078769 | Monitoring system, monitoring device, monitoring method, and non-transitory computer-readable medium | Yukihide YODA, Koji Asahi | 2024-09-03 |
| 12009855 | Monitoring system, monitoring device, and monitoring method | Yoshinori Kitahara, Yuusuke Sakurai, Tadayuki Iwano | 2024-06-11 |
| 11994417 | Utility pole deterioration detection system, utility pole deterioration detection apparatus, utility pole deterioration detection method, and non-transitory computer readable medium | Yukihide YODA, Koji Asahi | 2024-05-28 |
| 11936431 | Optical transmission apparatus, optical reception apparatus, optical communication apparatus, optical communication system, and methods of controlling them | — | 2024-03-19 |
| 11874160 | Systems and methods for utilizing machine learning to minimize a potential of damage to fiber optic cables | Tiejun J. Xia, Glenn A. Wellbrock, Ming-Fang Huang, Ting Wang | 2024-01-16 |
| 11747175 | Utility pole location specifying system, utility pole location specifying apparatus, utility pole location specifying method, and non-transitory computer readable medium | Yukihide YODA, Koji Asahi | 2023-09-05 |
| 11686602 | Method for providing a hybrid distributed fiber optic sensing system with improved connection to existing deployed fiber infrastructure | Ming-Fang Huang, Ting Wang, Tiejun J. Xia, Glenn A. Wellbrock | 2023-06-27 |
| 11637633 | Optical transmission apparatus, optical reception apparatus, optical communications apparatus, optical communication system, and methods of controlling them | — | 2023-04-25 |
| 11561118 | State specifying system, state specifying apparatus, state specifying method, and non-transitory computer readable medium | Yukihide YODA, Koji Asahi | 2023-01-24 |
| 11296793 | Optical transmission apparatus, optical reception apparatus, optical communications apparatus, optical communication system, and methods of controlling them | — | 2022-04-05 |
| 10855377 | Optical transmission apparatus, optical reception apparatus, optical communication apparatus, optical communication system, and methods of controlling them | — | 2020-12-01 |
| 9654850 | Wavelength multiplexer, and method and program for identifying failed portion | — | 2017-05-16 |
| 9537757 | Adding link aggregation group to hitless protection in packet switched networks | Junqiang Hu, Yoshinobu Ooto, Kazuo Takagi, Ting Wang | 2017-01-03 |
| 9369409 | End-to-end hitless protection in packet switched networks | Junqiang Hu, Yoshinobu Ooto, Kazuo Takagi, Ting Wang | 2016-06-14 |
| 9246627 | Joint optimization procedure for routing and wavelength assignment with combined dedicated shared protections in multi-cable multi-fiber optical WDM networks | Ankitkumar Patel, Philip Nan Ji, Daisuke Taniguchi | 2016-01-26 |
| 9124369 | Multi-direction variable optical transceiver | Philip Nan Ji, Ting Wang | 2015-09-01 |
| 9071356 | Method for the compensation of nonlinear impairments in dispersion-managed optical fiber links using phase conjugation and equivalent optical link | Eduardo Mateo | 2015-06-30 |
| 9059888 | MIMO-OFDM-based flexible rate intra-data center network | Philip Nan Ji, Ting Wang | 2015-06-16 |
| 9054829 | Spectrum aware rate selection procedure for optical channels in flexible WDM networks | Ankitkumar Patel, Philip Nan Ji, Daisuke Taniguchi | 2015-06-09 |