Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12425106 | Multi-length look-up table spherical constellation shaping | Mehdi Torbatian, Han Henry Sun | 2025-09-23 |
| 12372609 | Frequency modulation continuous wave (FMCW)-based system for estimation and compensation of nonlinearity in linearly swept sources | Pu Wang, Kieran Parsons, Philip Orlik | 2025-07-29 |
| 12154194 | Coherent optical sensor with sparse illumination | Okan Atalar, Keisuke Kojima, Toshiaki Koike-Akino, Pu Wang, Kieran Parsons | 2024-11-26 |
| 11346932 | Frequency modulated image reconstruction | Pu Wang, Kieran Parsons, Philip Orlik | 2022-05-31 |
| 11262184 | Optical coherence tomography (OCT) system for producing profilometry measurements of a specimen | Celalettin Yurdakul, Pu Wang, Kieran Parsons | 2022-03-01 |
| 10969465 | Reference-free nonlinearity correction for FMCW-based sensing systems | Pu Wang, Chungwei Lin, Kieran Parsons, Philip Orlik | 2021-04-06 |
| 10749554 | System and method for short block length distribution matching | Toshiaki Koike-Akino, Kieran Parsons, Keisuke Kojima | 2020-08-18 |
| 10554309 | Pilot-aided carrier phase estimation for optical communications | Milutin Pajovic, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons | 2020-02-04 |
| 10541711 | Short block length distribution matching algorithm | Tobias Fehenberger, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons | 2020-01-21 |
| 10516503 | Distribution matcher | Tobias Fehenberger, Toshiaki Koike-Akino, Kieran Parsons, Keisuke Kojima | 2019-12-24 |
| 10320486 | Optical signal transmitter and optical signal encoder using constant modulus formats, and method for generating modulation codes | Keisuke Kojima, Tsuyoshi Yoshida, Toshiaki Koike Akino, Kieran Parsons | 2019-06-11 |
| 10069519 | Partition based distribution matcher for probabilistic constellation shaping | Tobias Fehenberger, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons | 2018-09-04 |
| 9917712 | Frequency domain equalizer for optical communications | Milen Paskov, Toshiaki Koike Akino, Kieran Parsons, Keisuke Kojima | 2018-03-13 |
| 9906308 | Methods for compensation of cross-polarization modulation (XPolM) impairments in coherent optical communications | Milutin Pajovic, Kieran Parsons, Toshiaki Koike-Akino, Keisuke Kojima | 2018-02-27 |
| 9806739 | Optical signal transmitter and optical communication system using constant modulus formats, and method for generating modulation codes | Keisuke Kojima, Tsuyoshi Yoshida, Toshiaki Koike-Akino, Kieran Parsons | 2017-10-31 |
| 9806743 | System and method of belief propagation decoding | Toshiaki Koike-Akino | 2017-10-31 |
| 9749089 | Fast log-likelihood ratio (LLR) computation for decoding high-order and high-dimensional modulation schemes | Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons | 2017-08-29 |
| 9621275 | Method for generating constant modulus multi-dimensional modulations for coherent optical communications | Keisuke Kojima, Toshiaki Koike-Akino, Kieran Parsons | 2017-04-11 |
| 9584256 | Adaptive error correction code for optical super-channels | Keisuke Kojima, Kieran Parsons, Toshiaki Koike-Akino | 2017-02-28 |
| 9584259 | Quaternary block-coded high-dimensional modulation for coherent optical communications | Toshiaki Koike-Akino | 2017-02-28 |
| 9559786 | Pilot-aided coherent receiver for optical communications | Toshiaki Koike-Akino, Milutin Pajovic | 2017-01-31 |
| 9473250 | System and method for recovering carrier phase in optical communications | Toshiaki Koike-Akino, Keisuke Kojima | 2016-10-18 |
| 9432124 | Inter-channel interference management for optical super-channels | Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons | 2016-08-30 |
| 9112653 | Method and system for modulating optical signals as high-dimensional lattice constellation points to increase tolerance to noise | Toshiaki Koike-Akino, Andrei Kniazev | 2015-08-18 |