P

Inventor

HORIKOSHI KENGO

JP21 patents
⚠️ This page may combine multiple inventors who share the name “HORIKOSHI KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

18 patents
US9621299B2Apr 11, 2017

Coherent communication system, communication method, and transmission method

NIPPON TELEGRAPH & TELEPHONE15 citations84
US10038507B2Jul 31, 2018

Optical transmission system, phase compensation method, and optical reception apparatus

NIPPON TELEGRAPH & TELEPHONE3 citations72
US10243664B2Mar 26, 2019

Optical modulator driver circuit and optical transmitter

NIPPON TELEGRAPH & TELEPHONE5 citations71
US11683093B2Jun 20, 2023

Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program

NIPPON TELEGRAPH & TELEPHONE1 citations62
US11258512B2Feb 22, 2022

Receiving apparatus and receiving method

NIPPON TELEGRAPH & TELEPHONE0 citations62
US10841006B2Nov 17, 2020

Signal-to-noise ratio estimation method, optical transmission apparatus, and optical transmission system

NIPPON TELEGRAPH & TELEPHONE1 citations62
US11237334B2Feb 1, 2022

Fiber module

NIPPON TELEGRAPH & TELEPHONE1 citations60
US12224889B2Feb 11, 2025

Adaptive equalization filter and method for updating filter coefficients

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11799547B2Oct 24, 2023

Signal processing apparatus, signal processing method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11463169B2Oct 4, 2022

Wavelength dispersion amount estimation apparatus

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11444699B2Sep 13, 2022

Optical transmission system, optical receiving apparatus and optical transmission method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11367997B2Jun 21, 2022

Semiconductor integrated optics element and production method therefor

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11711151B2Jul 25, 2023

Optical transmission system and compensation method

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11575443B2Feb 7, 2023

Optical transmission system and output adjustment apparatus

NIPPON TELEGRAPH & TELEPHONE0 citations50
US10826620B2Nov 3, 2020

Optical receiver, optical reception method, and optical communication system

NIPPON TELEGRAPH & TELEPHONE0 citations41
US9667350B2May 30, 2017

Optical receiving device and phase cycle reduction method

NIPPON TELEGRAPH & TELEPHONE0 citations41
US10651944B2May 12, 2020

Optical transmitter, optical receiver, optical data transmission system, optical transmission method, and optical reception method

NIPPON TELEGRAPH & TELEPHONE0 citations40
US10389452B2Aug 20, 2019

Coherent optical reception device

NIPPON TELEGRAPH & TELEPHONE0 citations39

NTT ELECTRONICS CORP

2 patents

HORIKOSHI KENGO

1 patent