P

Inventor

SAITOH YUKITO

JP157 patents
⚠️ This page may combine multiple inventors who share the name “SAITOH YUKITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJIFILM CORP

44 patents
US7982826B2Jul 19, 2011

Polarizing plate and liquid crystal display

FUJIFILM CORP36 citations92
US8049850B2Nov 1, 2011

Liquid crystal display device, optical compensatory sheet, and polarizer and liquid crystal display device employing the same

FUJIFILM CORP12 citations84
US12032167B2Jul 9, 2024

Optical element, image display unit, and head-mounted display

FUJIFILM CORP4 citations75
US12135431B2Nov 5, 2024

Virtual image display device

FUJIFILM CORP2 citations73
US11927792B2Mar 12, 2024

Optical element and light guide element

FUJIFILM CORP2 citations73
US11828960B2Nov 28, 2023

Cholesteric liquid crystal layer, method of forming cholesteric liquid crystal layer, laminate, light guide element, and image display device

FUJIFILM CORP2 citations73
US11460729B2Oct 4, 2022

Optical element and sensor

FUJIFILM CORP2 citations73
US11385390B2Jul 12, 2022

Optical element and light guide element

FUJIFILM CORP2 citations73
US11016230B2May 25, 2021

Optical element and optical device

FUJIFILM CORP2 citations73
US10871666B2Dec 22, 2020

Display device comprising a viewing angle switching element having a first linear polarizer, an optically anisotropic layer, a viewing angle control cell, and a second linear polarizer

FUJIFILM CORP2 citations73
US10310260B2Jun 4, 2019

Member for displaying projected image and projection system

FUJIFILM CORP6 citations73
US10281769B2May 7, 2019

Optical sheet member and image display device using same

FUJIFILM CORP2 citations73
US9933619B2Apr 3, 2018

Member for projection image display and projection image display system

FUJIFILM CORP5 citations73
US9829615B2Nov 28, 2017

Luminance-enhancing film, optical sheet member, and liquid crystal display device

FUJIFILM CORP3 citations73
US9632229B2Apr 25, 2017

Optical film, barrier film, light conversion member, backlight unit, and liquid crystal display device

FUJIFILM CORP2 citations73
US9128322B2Sep 8, 2015

Phase difference plate for circularly polarizing plate, circularly polarizing plate, and organic electroluminescence display apparatus

FUJIFILM CORP5 citations73
US7804565B2Sep 28, 2010

Cellulose acylate film, optical compensation film, polarizing plate, and liquid crystal display device

FUJIFILM CORP7 citations73
US9753198B2Sep 5, 2017

Light emitting screen and display apparatus

FUJIFILM CORP3 citations72
US12242072B2Mar 4, 2025

Optical element, image display unit, and head-mounted display

FUJIFILM CORP0 citations63
US12117711B2Oct 15, 2024

Light deflection device and optical device

FUJIFILM CORP0 citations63
US12098951B2Sep 24, 2024

Hyperspectral sensor and hyperspectral camera

FUJIFILM CORP0 citations63
US11609476B2Mar 21, 2023

Light deflection device and optical device

FUJIFILM CORP0 citations63
US11539035B2Dec 27, 2022

Optical device

FUJIFILM CORP0 citations63
US11480716B2Oct 25, 2022

Optical element that functions as a liquid crystal diffraction lattice

FUJIFILM CORP1 citations63
US11280944B2Mar 22, 2022

Optical element

FUJIFILM CORP0 citations63
US10955705B2Mar 23, 2021

Wearable display device comprising an optically-anisotropic layer having liquid crystal compounds with optical axes continuously rotating along at least one in-plane direction

FUJIFILM CORP1 citations63
US9366793B2Jun 14, 2016

Circularly polarizing plate, retardation plate for circularly polarizing plate, and organic electroluminescence display apparatus

FUJIFILM CORP2 citations63
US9229142B2Jan 5, 2016

Optical film, polarizing plate, liquid crystal display, and method of manufacturing optical film

FUJIFILM CORP2 citations63
US9122091B2Sep 1, 2015

Phase difference plate for circularly polarizing plate, circularly polarizing plate, and organic electroluminescence display apparatus

FUJIFILM CORP2 citations63
US7755730B2Jul 13, 2010

Optical compensation film and liquid crystal display having the same

FUJIFILM CORP2 citations63
US7477387B2Jan 13, 2009

Method and apparatus for analyzing optical characteristics of optical medium and method for production monitoring

FUJIFILM CORP4 citations63
US12487385B2Dec 2, 2025

Cholesteric liquid crystal layer, method of forming cholesteric liquid crystal layer, laminate, light guide element, and image display device

FUJIFILM CORP0 citations62
US12360375B2Jul 15, 2025

Optical element, light guide element, and image display device

FUJIFILM CORP0 citations62
US12282181B2Apr 22, 2025

Sensor

FUJIFILM CORP0 citations62
US12248179B2Mar 11, 2025

Optical coupling system and optical communication device

FUJIFILM CORP0 citations62
US12228764B2Feb 18, 2025

Optical element and light guide element

FUJIFILM CORP0 citations62
US12189159B2Jan 7, 2025

Optical element, light guide element, and image display element

FUJIFILM CORP0 citations62
US12147045B2Nov 19, 2024

Light guide element and image display apparatus

FUJIFILM CORP1 citations62
US12130437B2Oct 29, 2024

Image display apparatus and AR glasses

FUJIFILM CORP0 citations62
US12117694B2Oct 15, 2024

Optical element and reflective sheet

FUJIFILM CORP0 citations62
US11977290B2May 7, 2024

Liquid crystal diffraction element, optical element, image display unit, head-mounted display, beam steering, and sensor

FUJIFILM CORP1 citations62
US11886071B2Jan 30, 2024

Light guide element comprising a diffraction element having a cholesteric liquid crystal layer with a pitch gradient

FUJIFILM CORP1 citations62
US11835744B2Dec 5, 2023

Sensor

FUJIFILM CORP0 citations62
US11796854B2Oct 24, 2023

Optical member and image display apparatus

FUJIFILM CORP0 citations62

IBM

5 patents

HIRAKATA JUNICHI

1 patent

Showing the top 50 of 157 patents by PatentIndex Score.