Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395244 | Optical fiber exhibiting low guided acoustic Brillouin scattering (GAWBS) noise and measurement thereof | Fatih Yaman, Kohei Nakamura, Takanori Inoue, Eduardo Mateo Rodriguez, Shinsuke Fujisawa +2 more | 2025-08-19 |
| 12034482 | Accurate measurement for guided acoustic-wave Brillouin scattering | Fatih Yaman, Eduardo Mateo Rodriguez, Shinsuke Fujisawa, Hussam G. Batshon, Kohei Nakamura +2 more | 2024-07-09 |
| 11467061 | Estimating mode field distribution in optical fibers from guided acoustic wave brillouin scattering | Fatih Yaman, Eduardo Mateo Rodriguez, Shinsuke Fujisawa, Hussam G. Batshon, Kohei Nakamura +2 more | 2022-10-11 |
| 10581216 | 3D waveguide for efficient coupling of multimode pump and signals to a multicore fiber amplifier | Fatih Yaman, Shaoliang Zhang, Eduardo Mateo Rodriquez, Takanori Inoue, Yoshihisa Inada | 2020-03-03 |
| 10401564 | Fiber nonlinearity mitigation using strong mode coupling and large modal delay | Fatih Yaman, Shaoliang Zhang, Eduardo Mateo Rodriguez, Takanori Inoue, Kohei Nakamura +1 more | 2019-09-03 |
| 9819530 | Constellation designs with non-gray bit mapping | Fatih Yaman, Shaoliang Zhang, Eduardo Mateo Rodriquez, Yoshihisa Inada, Takanori Inoue | 2017-11-14 |
| 9722700 | Wavelength division multiplexing system and method including wavelength monitoring | Fatih Yaman, Shaoliang Zhang, Ting Wang, Yoshihisa Inada | 2017-08-01 |
| 9337923 | Optical spectral shaping for nonlinearity enhancement in high speed digital coherent optical transmissions | Lei Xu, Shaoliang Zhang, Fatih Yaman, Ting Wang, Yoshihisa Inada +1 more | 2016-05-10 |
| 9337868 | Iterative decoding for cascaded LDPC and TCM coding | Shaoliang Zhang, Fatih Yaman, Yoshihisa Inada, Takanori Inoue | 2016-05-10 |
| 9203519 | Pair-wise symbol correlated high receiver sensitivity modulation format | Fatih Yaman, Shaoliang Zhang, Ting Wang, Yoshihisa Inada, Yasuhiro Aoki | 2015-12-01 |
| 9130679 | Polarization-switched differential ternary phase-shift keying | Ezra Ip, Fatih Yaman, Lei Xu, Ting Wang, Yoshihisa Inada +1 more | 2015-09-08 |
| 9077484 | Generation of polarization-alternated QPSK format | Shaoliang Zhang, Fatih Yaman, Ting Wang, Yoshihisa Inada, Yasuhiro Aoki | 2015-07-07 |
| 8917998 | Polarization switching for optical fiber communications | Shaoliang Zhang, Lei Xu, Junqiang Hu, Fatih Yaman, Ting Wang +2 more | 2014-12-23 |
| 8873953 | Multiple-symbol polarization switching for differential-detection modulation formats | Shaoliang Zhang, Fatih Yaman, Lei Xu, Ting Wang, Yoshihisa Inada +1 more | 2014-10-28 |
| 8787709 | Polarization-alternating optical signal generation using CSRZ modulation | Fatih Yaman, Shaoliang Zhang, Lei Xu, Ting Wang, Yoshihisa Inada +1 more | 2014-07-22 |
| 7123405 | Optical amplifying and relaying system | Ryu Yokoyama | 2006-10-17 |
| 6868204 | Optical amplifying and relaying system | Ryu Yokoyama | 2005-03-15 |
| 6845192 | Optical amplifying and relaying system | Ryu Yokoyama | 2005-01-18 |
| 6539153 | Light limiter | Yasuhisa Taneda, Hirotoshi Nagata, Junichiro Ichikawa, Kaoru Higuma | 2003-03-25 |
| 6233385 | Light limiter | Yasuhisa Taneda, Hirotoshi Nagata, Junichiro Ichikawa, Kaoru Higuma | 2001-05-15 |
| 6218658 | Optical fuse | Yasuhisa Taneda, Hirotoshi Nagata, Junichiro Ichikawa, Kaoru Higuma | 2001-04-17 |
| 6134372 | Light intensity attenuator and attenuating method | Junichiro Ichikawa, Hirotoshi Nagata, Kaoru Higuma, Junichiro Minowa, Yasuhisa Taneda | 2000-10-17 |
| 6064514 | Optical surge preventing method and system for use with or in a rare earth doped fiber circuit | Yasuhiro Aoki, Kenichi Yoneyama, Yukio Michishita, Yoshiro Sato | 2000-05-16 |
| 6043922 | Optical receiver board, optical wavelength-tuning filter module used for optical receiver board, and actuator for optical wavelength-tuning filter module | Tadashi Koga, Hitoshi Oguri, Takashi Nakamura | 2000-03-28 |
| 5956166 | Wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method | Yukio Michishita | 1999-09-21 |