P

Inventor

KODAMA KEISUKE

JP45 patents
⚠️ This page may combine multiple inventors who share the name “KODAMA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJIFILM CORP

42 patents
US11513395B1Nov 29, 2022

Bandpass filter comprising first and second reflective members each having a plurality of cholesteric liquid crystal layers and sensor having the same

FUJIFILM CORP4 citations73
US11332671B2May 17, 2022

Liquid crystal composition, method for producing reflective layer, reflective layer, cured product, and optically anisotropic body

FUJIFILM CORP2 citations73
US11732194B2Aug 22, 2023

Cholesteric liquid crystal layer, laminate, optically anisotropic body, reflective film, method for producing cholesteric liquid crystal layer, anti-counterfeit medium, and determination method

FUJIFILM CORP3 citations72
US9452392B2Sep 27, 2016

Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same

FUJIFILM CORP7 citations72
US11860338B2Jan 2, 2024

Optical film

FUJIFILM CORP2 citations70
US9790338B2Oct 17, 2017

Ion exchange membrane and method for manufacturing the same

FUJIFILM CORP2 citations70
US12124144B2Oct 22, 2024

Optically anisotropic layer

FUJIFILM CORP2 citations68
US10046285B2Aug 14, 2018

Polymer functional film and method for producing same

FUJIFILM CORP5 citations68
US12054468B2Aug 6, 2024

Compound, composition, cured product, optically anisotropic body, and reflective film

FUJIFILM CORP0 citations62
US12054660B2Aug 6, 2024

Compound, composition, cured substance, optically anisotropic body, optical element, and light guide element

FUJIFILM CORP1 citations62
US11592703B2Feb 28, 2023

Optical film comprising a stretched resin film and a liquid crystal layer including a polyfunctional compound having two or more polymerizable groups in one molecule, circularly polarizing plate, and image display apparatus

FUJIFILM CORP0 citations62
US10478786B2Nov 19, 2019

Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method

FUJIFILM CORP1 citations62
US11834600B2Dec 5, 2023

Liquid crystal composition, optical film, circularly polarizing plate for organic EL display, and method for producing optically anisotropic layer

FUJIFILM CORP0 citations60
US10654005B2May 19, 2020

Method for producing gas separation composite membrane, liquid composition, gas separation composite membrane, gas separation module, gas separation apparatus, and gas separation method

FUJIFILM CORP1 citations60
US12577469B2Mar 17, 2026

Compound, composition, cured product, optically anisotropic body, optical element, and light guide element

FUJIFILM CORP0 citations52
US12529836B2Jan 20, 2026

Transmissive liquid crystal diffraction element

FUJIFILM CORP0 citations52
US12529554B2Jan 20, 2026

Sensor and band pass filter

FUJIFILM CORP0 citations52
US12252642B2Mar 18, 2025

Method for producing cholesteric liquid crystal layer, cholesteric liquid crystal layer, optically anisotropic body, and reflective film

FUJIFILM CORP0 citations52
US12037530B2Jul 16, 2024

Compound and liquid crystal composition

FUJIFILM CORP0 citations52
US11965125B2Apr 23, 2024

Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film

FUJIFILM CORP0 citations52
US11905449B2Feb 20, 2024

Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film

FUJIFILM CORP0 citations52
US11693278B2Jul 4, 2023

Liquid crystal diffraction element and method for producing liquid crystal diffraction element

FUJIFILM CORP0 citations52
US11634638B2Apr 25, 2023

Liquid crystal composition, reflective layer, method for producing reflective layer, and copolymer

FUJIFILM CORP0 citations52
US11579507B2Feb 14, 2023

Method for producing cholesteric liquid crystal layer, cholesteric liquid crystal layer, liquid crystal composition, cured product, optically anisotropic body, and reflective layer

FUJIFILM CORP0 citations52
US11287555B2Mar 29, 2022

Method for producing reflective layer, and reflective layer

FUJIFILM CORP0 citations52
US11193068B2Dec 7, 2021

Compound, liquid crystal composition, cured substance, optical anisotropic body, and reflection film

FUJIFILM CORP0 citations52
US12085746B2Sep 10, 2024

Backlight unit and liquid crystal display device

FUJIFILM CORP0 citations51
US10543455B2Jan 28, 2020

Gas separation membrane, gas separation module, gas separation apparatus, gas separation method, and method for producing asymmetric gas separation membrane

FUJIFILM CORP0 citations51
US10537859B2Jan 21, 2020

Gas separation membrane, gas separation module, gas separation device, gas separation method, and polyimide compound

FUJIFILM CORP0 citations51
US9687777B2Jun 27, 2017

Gas separation composite membrane, gas separation module, gas separation apparatus, gas separation method, and method of producing gas separation composite membrane

FUJIFILM CORP1 citations51
US12391881B2Aug 19, 2025

Method for producing optically anisotropic layer, method for producing laminate, method for producing optically anisotropic layer with polarizer, method for producing laminate with polarizer, composition, and optically anisotropic layer

FUJIFILM CORP0 citations50
US11860339B2Jan 2, 2024

Optically anisotropic layer

FUJIFILM CORP0 citations50
US11852940B2Dec 26, 2023

Optically anisotropic film, optical element, and optical system

FUJIFILM CORP0 citations50
US10279342B2May 7, 2019

Ion-exchange polymer and production method therefor, electrolyte membrane and production method therefor, and composition for producing ion-exchange polymer

FUJIFILM CORP0 citations50
US9795955B2Oct 24, 2017

Curable composition and cured polymer product

FUJIFILM CORP0 citations49
US10005856B2Jun 26, 2018

Curable composition

FUJIFILM CORP0 citations48
US9850147B2Dec 26, 2017

Functional polymer membrane and method of producing the same

FUJIFILM CORP0 citations48
US10537848B2Jan 21, 2020

Gas separation asymmetric membrane, gas separation module, gas separation device, and gas separation method

FUJIFILM CORP0 citations41
US10507437B2Dec 17, 2019

Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method

FUJIFILM CORP0 citations41
US10336873B2Jul 2, 2019

Functional polymer membrane, manufacturing method therefor, ion exchange membrane and proton conductive membrane equipped with functional polymer membrane, and ion exchange device

FUJIFILM CORP0 citations40
US10087263B2Oct 2, 2018

Curable composition, polymer functional cured product, water-soluble acrylamide compound, and method for manufacturing same

FUJIFILM CORP0 citations40
US10040916B2Aug 7, 2018

Functional polymer membrane and method for producing same

FUJIFILM CORP0 citations39

UNIV NIIGATA

3 patents