P

Inventor

KOJIMA KEISUKE

JP69 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC RES LABORATORIES INC

26 patents
US10069519B1Sep 4, 2018

Partition based distribution matcher for probabilistic constellation shaping

MITSUBISHI ELECTRIC RES LABORATORIES INC58 citations97
US9806739B1Oct 31, 2017

Optical signal transmitter and optical communication system using constant modulus formats, and method for generating modulation codes

MITSUBISHI ELECTRIC RES LABORATORIES INC23 citations94
US10516503B1Dec 24, 2019

Distribution matcher

MITSUBISHI ELECTRIC RES LABORATORIES INC19 citations93
US10749554B1Aug 18, 2020

System and method for short block length distribution matching

MITSUBISHI ELECTRIC RES LABORATORIES INC15 citations86
US10320486B1Jun 11, 2019

Optical signal transmitter and optical signal encoder using constant modulus formats, and method for generating modulation codes

MITSUBISHI ELECTRIC RES LABORATORIES INC9 citations84
US10234627B1Mar 19, 2019

Compact photonic devices

MITSUBISHI ELECTRIC RES LABORATORIES INC8 citations84
US9621275B2Apr 11, 2017

Method for generating constant modulus multi-dimensional modulations for coherent optical communications

MITSUBISHI ELECTRIC RES LABORATORIES INC15 citations84
US10541711B1Jan 21, 2020

Short block length distribution matching algorithm

MITSUBISHI ELECTRIC RES LABORATORIES INC10 citations83
US11143821B1Oct 12, 2021

Integrated grating coupler system

MITSUBISHI ELECTRIC RES LABORATORIES INC5 citations73
US10554309B2Feb 4, 2020

Pilot-aided carrier phase estimation for optical communications

MITSUBISHI ELECTRIC RES LABORATORIES INC2 citations73
US10120132B2Nov 6, 2018

Photonic integrated circuit

MITSUBISHI ELECTRIC RES LABORATORIES INC4 citations73
US9906308B1Feb 27, 2018

Methods for compensation of cross-polarization modulation (XPolM) impairments in coherent optical communications

MITSUBISHI ELECTRIC RES LABORATORIES INC6 citations73
US9584256B2Feb 28, 2017

Adaptive error correction code for optical super-channels

MITSUBISHI ELECTRIC RES LABORATORIES INC6 citations73
US9473250B2Oct 18, 2016

System and method for recovering carrier phase in optical communications

MITSUBISHI ELECTRIC RES LABORATORIES INC5 citations73
US11650371B2May 16, 2023

Grating coupler and integrated grating coupler system

MITSUBISHI ELECTRIC RES LABORATORIES INC2 citations71
US11079550B2Aug 3, 2021

Grating coupler and integrated grating coupler system

MITSUBISHI ELECTRIC RES LABORATORIES INC4 citations71
US11204467B2Dec 21, 2021

Integrated grating coupler

MITSUBISHI ELECTRIC RES LABORATORIES INC2 citations70
US10921525B2Feb 16, 2021

Grating coupler and integrated grating coupler system

MITSUBISHI ELECTRIC RES LABORATORIES INC5 citations70
US9557485B2Jan 31, 2017

System and method for manipulating polarizations of optical signal

MITSUBISHI ELECTRIC RES LABORATORIES INC2 citations70
US9917712B2Mar 13, 2018

Frequency domain equalizer for optical communications

MITSUBISHI ELECTRIC RES LABORATORIES INC2 citations69
US10962717B2Mar 30, 2021

Integrated grating coupler system

MITSUBISHI ELECTRIC RES LABORATORIES INC2 citations68
US10859769B2Dec 8, 2020

Compact photonic devices

MITSUBISHI ELECTRIC RES LABORATORIES INC3 citations67
US11251896B2Feb 15, 2022

Generative model for inverse design of materials, devices, and structures

MITSUBISHI ELECTRIC RES LABORATORIES INC0 citations61
US10838282B2Nov 17, 2020

Optical ring circuit with electrical filter

MITSUBISHI ELECTRIC RES LABORATORIES INC0 citations52
US9749089B2Aug 29, 2017

Fast log-likelihood ratio (LLR) computation for decoding high-order and high-dimensional modulation schemes

MITSUBISHI ELECTRIC RES LABORATORIES INC1 citations52
US10996400B2May 4, 2021

Optical waveguide interferometer

MITSUBISHI ELECTRIC RES LABORATORIES INC0 citations51

MITSUBISHI ELECTRIC CORP

5 patents

MITSUBISHI ELECTRIC RES LAB

3 patents

KOJIMA KEISUKE

3 patents

TRIQUINT TECHNOLOGY HOLDING CO

1 patent

BASF NOF COATINGS CO LTD

1 patent

LSI CORP

1 patent

OSAKA ORGANIC CHEMICAL IND LTD

1 patent

KONDO MASUO

1 patent

ZEON CORP

1 patent

TAIHEIYO KOGYO KK

1 patent

AGERE SYSTEMS INC

1 patent

HONDA MOTOR CO LTD

1 patent

NIPPON PAINT CO LTD

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

AT & T CORP

1 patent

NISSAN CHEMICAL IND LTD

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.