Keisuke Kojima

Person

Weston, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Generative model for inverse design of materials, devices, and stru...
- Patent number 12,260,339
- Issue date Mar 25, 2025
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coherent optical sensor with sparse illumination
- Patent number 12,154,194
- Issue date Nov 26, 2024
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Grating coupler and integrated grating coupler system
- Patent number 11,650,371
- Issue date May 16, 2023
- Mitsubishi Electric Research Laboratories Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Generative model for inverse design of materials, devices, and stru...
- Patent number 11,251,896
- Issue date Feb 15, 2022
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated grating coupler
- Patent number 11,204,467
- Issue date Dec 21, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Integrated grating coupler system
- Patent number 11,143,821
- Issue date Oct 12, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Grating coupler and integrated grating coupler system
- Patent number 11,079,550
- Issue date Aug 3, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Optical waveguide interferometer
- Patent number 10,996,400
- Issue date May 4, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Integrated grating coupler system
- Patent number 10,962,717
- Issue date Mar 30, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Grating coupler and integrated grating coupler system
- Patent number 10,921,525
- Issue date Feb 16, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Compact photonic devices
- Patent number 10,859,769
- Issue date Dec 8, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Optical ring circuit with electrical filter
- Patent number 10,838,282
- Issue date Nov 17, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for short block length distribution matching
- Patent number 10,749,554
- Issue date Aug 18, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pilot-aided carrier phase estimation for optical communications
- Patent number 10,554,309
- Issue date Feb 4, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Short block length distribution matching algorithm
- Patent number 10,541,711
- Issue date Jan 21, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distribution matcher
- Patent number 10,516,503
- Issue date Dec 24, 2019
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical signal transmitter and optical signal encoder using constan...
- Patent number 10,320,486
- Issue date Jun 11, 2019
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compact photonic devices
- Patent number 10,234,627
- Issue date Mar 19, 2019
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Photonic integrated circuit
- Patent number 10,120,132
- Issue date Nov 6, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
Partition based distribution matcher for probabilistic constellatio...
- Patent number 10,069,519
- Issue date Sep 4, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency domain equalizer for optical communications
- Patent number 9,917,712
- Issue date Mar 13, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for compensation of cross-polarization modulation (XPolM) i...
- Patent number 9,906,308
- Issue date Feb 27, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- Milutin Pajovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal transmitter and optical communication system using c...
- Patent number 9,806,739
- Issue date Oct 31, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fast log-likelihood ratio (LLR) computation for decoding high-order...
- Patent number 9,749,089
- Issue date Aug 29, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for generating constant modulus multi-dimensional modulation...
- Patent number 9,621,275
- Issue date Apr 11, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive error correction code for optical super-channels
- Patent number 9,584,256
- Issue date Feb 28, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for manipulating polarizations of optical signal
- Patent number 9,557,485
- Issue date Jan 31, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Grant
System and method for recovering carrier phase in optical communica...
- Patent number 9,473,250
- Issue date Oct 18, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Toshiaki Koike-Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inter-channel interference management for optical super-channels
- Patent number 9,432,124
- Issue date Aug 30, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Toshiaki Koike-Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for measuring linewidth of optical signal
- Patent number 9,369,204
- Issue date Jun 14, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Reconfigurable optical processor
- Publication number 20250068004
- Publication date Feb 27, 2025
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Metalens with Corrected Phase
- Publication number 20230367035
- Publication date Nov 16, 2023
- Mitsubishi Electric Research Laboratories, Inc.
- Matthew Brand
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Reconfigurable wavelength selective splitter
- Publication number 20230367997
- Publication date Nov 16, 2023
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Generative Model for Inverse Design of Materials, Devices, and Stru...
- Publication number 20220358368
- Publication date Nov 10, 2022
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Coherent Optical Sensor with Sparse Illumination
- Publication number 20220012926
- Publication date Jan 13, 2022
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Generative Model for Inverse Design of Materials, Devices, and Stru...
- Publication number 20210281349
- Publication date Sep 9, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Grating Coupler and Integrated Grating Coupler System
- Publication number 20210181427
- Publication date Jun 17, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Grating Coupler and Integrated Grating Coupler System
- Publication number 20210116645
- Publication date Apr 22, 2021
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Integrated Grating Coupler
- Publication number 20200241204
- Publication date Jul 30, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Integrated Grating Coupler System
- Publication number 20200241205
- Publication date Jul 30, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Grating Coupler and Integrated Grating Coupler System
- Publication number 20200174194
- Publication date Jun 4, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Compact Photonic Devices
- Publication number 20200081188
- Publication date Mar 12, 2020
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Optical Ring Circuit with Electrical Filter
- Publication number 20190339584
- Publication date Nov 7, 2019
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Pilot-Aided Carrier Phase Estimation for Optical Communications
- Publication number 20190222321
- Publication date Jul 18, 2019
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Photonic Integrated Circuit
- Publication number 20180284345
- Publication date Oct 4, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
METHODS FOR COMPENSATION OF CROSS-POLARIZATION MODULATION (XPOLM) I...
- Publication number 20180062759
- Publication date Mar 1, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- Milutin Pajovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Waveguide Interferometer
- Publication number 20180039025
- Publication date Feb 8, 2018
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Frequency Domain Equalizer for Optical Communications
- Publication number 20170264468
- Publication date Sep 14, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fast Log-Likelihood Ratio (LLR) Computation for Decoding High-Order...
- Publication number 20170126360
- Publication date May 4, 2017
- Mitsubishi Electric Research Laboratories, Inc.
- David Millar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Manipulating Polarizations of Optical Signal
- Publication number 20160282555
- Publication date Sep 29, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Adaptive Error Correction Code for Optical Super-Channels
- Publication number 20160204899
- Publication date Jul 14, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Measuring Linewidth of Optical Signal
- Publication number 20160105235
- Publication date Apr 14, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Inter-Channel Interference Management for Optical Super-Channels
- Publication number 20160080087
- Publication date Mar 17, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Toshiaki Koike-Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Recovering Carrier Phase in Optical Communica...
- Publication number 20160065315
- Publication date Mar 3, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Toshiaki Koike-Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Generating Constant Modulus Multi-Dimensional Modulation...
- Publication number 20160006515
- Publication date Jan 7, 2016
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-Mode Phase-Shifting Interference Device
- Publication number 20150086158
- Publication date Mar 26, 2015
- Mitsubishi Electric Corporation
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Multi-Mode Interference Device
- Publication number 20140321823
- Publication date Oct 30, 2014
- Toshiaki Koike-Akino
- G02 - OPTICS
Information Patent Application
Compound Optical Combiner
- Publication number 20140314367
- Publication date Oct 23, 2014
- Mitsubishi Electric Corporation
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Multi-Mode Interference Device
- Publication number 20140270635
- Publication date Sep 18, 2014
- Mitsubishi Electric Research Laboratories, Inc.
- Keisuke Kojima
- G02 - OPTICS
Information Patent Application
Adaptively Coding and Modulating Signals Transmitted Via Nonlinear...
- Publication number 20140133848
- Publication date May 15, 2014
- Mitsubishi Electric Research Laboratories, Inc.
- Toshiaki Koike-Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Keisuke Kojima

Person

Patents Grantslast 30 patents

Generative model for inverse design of materials, devices, and stru...

Coherent optical sensor with sparse illumination

Grating coupler and integrated grating coupler system

Generative model for inverse design of materials, devices, and stru...

Integrated grating coupler

Integrated grating coupler system

Grating coupler and integrated grating coupler system

Optical waveguide interferometer

Integrated grating coupler system

Grating coupler and integrated grating coupler system

Compact photonic devices

Optical ring circuit with electrical filter

System and method for short block length distribution matching

Pilot-aided carrier phase estimation for optical communications

Short block length distribution matching algorithm

Distribution matcher

Optical signal transmitter and optical signal encoder using constan...

Compact photonic devices

Photonic integrated circuit

Partition based distribution matcher for probabilistic constellatio...

Frequency domain equalizer for optical communications

Methods for compensation of cross-polarization modulation (XPolM) i...

Optical signal transmitter and optical communication system using c...

Fast log-likelihood ratio (LLR) computation for decoding high-order...

Method for generating constant modulus multi-dimensional modulation...

Adaptive error correction code for optical super-channels

System and method for manipulating polarizations of optical signal

System and method for recovering carrier phase in optical communica...

Inter-channel interference management for optical super-channels

System and method for measuring linewidth of optical signal

Patents Applicationslast 30 patents

Reconfigurable optical processor

Metalens with Corrected Phase

Reconfigurable wavelength selective splitter

Generative Model for Inverse Design of Materials, Devices, and Stru...

Coherent Optical Sensor with Sparse Illumination

Generative Model for Inverse Design of Materials, Devices, and Stru...

Grating Coupler and Integrated Grating Coupler System

Grating Coupler and Integrated Grating Coupler System

Integrated Grating Coupler

Integrated Grating Coupler System

Grating Coupler and Integrated Grating Coupler System

Compact Photonic Devices

Optical Ring Circuit with Electrical Filter

Pilot-Aided Carrier Phase Estimation for Optical Communications

Photonic Integrated Circuit

METHODS FOR COMPENSATION OF CROSS-POLARIZATION MODULATION (XPOLM) I...

Optical Waveguide Interferometer

Frequency Domain Equalizer for Optical Communications

Fast Log-Likelihood Ratio (LLR) Computation for Decoding High-Order...

System and Method for Manipulating Polarizations of Optical Signal

Adaptive Error Correction Code for Optical Super-Channels

System and Method for Measuring Linewidth of Optical Signal

Inter-Channel Interference Management for Optical Super-Channels

System and Method for Recovering Carrier Phase in Optical Communica...

Method for Generating Constant Modulus Multi-Dimensional Modulation...

Multi-Mode Phase-Shifting Interference Device

Multi-Mode Interference Device

Compound Optical Combiner

Multi-Mode Interference Device

Adaptively Coding and Modulating Signals Transmitted Via Nonlinear...