Issued Patents All Time
Showing 25 most recent of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395244 | Optical fiber exhibiting low guided acoustic Brillouin scattering (GAWBS) noise and measurement thereof | Kohei Nakamura, Takanori Inoue, Eduardo Mateo Rodriguez, Shinsuke Fujisawa, Hussam G. Batshon +2 more | 2025-08-19 |
| 12332394 | Fiber sensing using supervisory path of submarine cables | Yue-Kai Huang, Ezra Ip, Hussam G. Batshon, Eduardo Mateo Rodriguez, Kohei Nakamura +2 more | 2025-06-17 |
| 12052055 | Method of equalizing waveform distortion, terminal device, and optical communication system | Shinsuke Fujisawa, Naoto Ishii, Ankith VINAYACHANDRAN, Emmanuel Le Taillandier De Gabory, Hussam G. Batshon | 2024-07-30 |
| 12034482 | Accurate measurement for guided acoustic-wave Brillouin scattering | Eduardo Mateo Rodriguez, Shinsuke Fujisawa, Hussam G. Batshon, Kohei Nakamura, Takanori Inoue +2 more | 2024-07-09 |
| 11960042 | Laser noise reduction for laser interferometry | Ezra Ip, Yue-Kai Huang | 2024-04-16 |
| 11933605 | Estimating core-cladding concentricity error in optical fibers using guided acoustic-wave Brillouin scattering | Hussam G. Batshon, Shinsuke Fujisawa, Kohei Nakamura, Takanori Inoue, Eduardo Mateo Rodriguez +1 more | 2024-03-19 |
| 11920975 | Repeater design for distributed acoustic sensing on multispan fiber links | Ezra Ip, Yue-Kai Huang, Shinsuke Fujisawa | 2024-03-05 |
| 11888583 | Integrated 3-way branching unit switch module having small footprint | Shinsuke Fujisawa, Hussam G. Batshon, Takigawa Yoshinari, Ryuji Aida, Takanori Inoue +2 more | 2024-01-30 |
| 11782217 | Method for reducing GAWBS noise by reducing polarization diffusion length | Eduardo Mateo Rodriguez, Hassam Batshon, Shinsuke Fujisawa, Kohei Nakamura, Takanori Inoue +1 more | 2023-10-10 |
| 11700067 | Three-way branching unit switch module having small footprint | Shinsuke Fujisawa, Hussam G. Batshon, Yoshinari Takigawa, Ryu Kurahashi, Ryuji Aida +4 more | 2023-07-11 |
| 11467061 | Estimating mode field distribution in optical fibers from guided acoustic wave brillouin scattering | Eduardo Mateo Rodriguez, Shinsuke Fujisawa, Hussam G. Batshon, Kohei Nakamura, Takanori Inoue +2 more | 2022-10-11 |
| 11296786 | Constant amplitude coded DFOS using out-of-band signaling | Yue-Kai Huang, Ezra Ip | 2022-04-05 |
| 11270200 | Single-step nonlinearity compensation using artificial intelligence for digital coherent transmission systems | Shaoliang Zhang, Ting Wang, Eduardo Mateo Rodriguez, Yoshihisa Inada, Kohei Nakamura +1 more | 2022-03-08 |
| 11159200 | High speed frequency hopping DAS interrogation using AOM-gated re-circulating loop and frequency-shifted receiver LO | Yue-Kai Huang, Ezra Ip, Giovanni Milione | 2021-10-26 |
| 11043786 | Multicore fiber amplifier with high power efficiency | Shaoliang Zhang, Eduardo Mateo Rodriguez, Kohei Nakamura, Yoshihisa Inada, Takanori Inoue | 2021-06-22 |
| 10833770 | Optical fiber nonlinearity compensation using neural networks | Shaoliang Zhang, Eduardo Mateo Rodriguez, Yoshihisa Inada, Kohei Nakamura, Takanori Inoue | 2020-11-10 |
| 10741992 | Extending system reach of unrepeated systems using cascaded amplifiers | Ezra Ip, Yue-Kai Huang, Shaoliang Zhang | 2020-08-11 |
| 10708094 | Transmission filtering using machine learning | Shaoliang Zhang, Eduardo Mateo Rodriguez, Yoshihisa Inada, Yue-Kai Huang, Weiyang Mo | 2020-07-07 |
| 10581216 | 3D waveguide for efficient coupling of multimode pump and signals to a multicore fiber amplifier | Shaoliang Zhang, Eduardo Mateo Rodriquez, Takanori Inoue, Yoshihisa Inada, Takaaki Ogata | 2020-03-03 |
| 10476728 | Probabilistic shaping for arbitrary modulation formats | Shaoliang Zhang, Ting Wang, Zhen Qu | 2019-11-12 |
| 10466172 | Distributed acoustic sensing in a multimode optical fiber using distributed mode coupling and delay | Giovanni Milione, Shaoliang Zhang, Yue-Kai Huang | 2019-11-05 |
| 10401564 | Fiber nonlinearity mitigation using strong mode coupling and large modal delay | Shaoliang Zhang, Eduardo Mateo Rodriguez, Takanori Inoue, Kohei Nakamura, Yoshihisa Inada +1 more | 2019-09-03 |
| 10382138 | Constellation optimization based on generalized mutual information over a nonlinear optical channel | Shaoliang Zhang, Eduardo Mateo Rodriguez, Yoshihisa Inada | 2019-08-13 |
| 10374632 | Low density parity check coded modulation for optical communications | Shaoliang Zhang, Ting Wang, Yoshihisa Inada | 2019-08-06 |
| 10340649 | C-band and L band amplifier design with increased power efficiency and reduced complexity | Shaoliang Zhang, Eduardo Mateo Rodriquez, Takanori Inoue, Yoshihisa Inada | 2019-07-02 |