Inventor
FUKASE AKIO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “FUKASE AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
22 patentsUS7492337B2Feb 17, 2009
Electro-optical device
SEIKO EPSON CORP25 citations92
US10608208B2Mar 31, 2020
Light-emitting device and electronic apparatus
SEIKO EPSON CORP4 citations84
US7775845B2Aug 17, 2010
Organic semiconductor device, method for producing organic semiconductor device, organic electroluminescent device, and method for producing organic electroluminescent device
SEIKO EPSON CORP8 citations79
US11882724B2Jan 23, 2024
Light-emitting device and electronic apparatus
SEIKO EPSON CORP1 citations73
US11404673B2Aug 2, 2022
Light-emitting device and electronic apparatus
SEIKO EPSON CORP1 citations73
US10957876B2Mar 23, 2021
Light-emitting device and electronic apparatus
SEIKO EPSON CORP1 citations73
US10866424B2Dec 15, 2020
Image display device
SEIKO EPSON CORP2 citations73
US11209579B2Dec 28, 2021
Cross dichroic prism, image display module, and image display device
SEIKO EPSON CORP2 citations72
US10044000B2Aug 7, 2018
Light-emitting device and electronic apparatus
SEIKO EPSON CORP1 citations63
US9647238B2May 9, 2017
Light-emitting device and electronic apparatus
SEIKO EPSON CORP1 citations63
US12262584B2Mar 25, 2025
Light-emitting device and electronic apparatus
SEIKO EPSON CORP0 citations62
US11733438B2Aug 22, 2023
Cross dichroic prism, image display module, and image display device
SEIKO EPSON CORP0 citations62
US11550159B2Jan 10, 2023
Head-mounted display apparatus
SEIKO EPSON CORP0 citations62
US11275251B2Mar 15, 2022
Image display device
SEIKO EPSON CORP0 citations62
US11237398B2Feb 1, 2022
Head-mounted display apparatus
SEIKO EPSON CORP0 citations62
US10983357B2Apr 20, 2021
Head-mounted display apparatus
SEIKO EPSON CORP0 citations62
US9293724B2Mar 22, 2016
Light-emitting element, light-emitting device, display device, and electronic apparatus
SEIKO EPSON CORP2 citations62
US9478763B2Oct 25, 2016
Light emitting element, light emitting device, display apparatus, and electronic equipment having a light emitting layer with host and assist dopant materials with different electron and hole transportation properties
SEIKO EPSON CORP1 citations52
US9401492B2Jul 26, 2016
Light-emitting element, light-emitting device, display device, and electronic apparatus
SEIKO EPSON CORP1 citations52
US11221496B2Jan 11, 2022
Display module and display device
SEIKO EPSON CORP0 citations50
US10558053B2Feb 11, 2020
Optical device and display apparatus
SEIKO EPSON CORP0 citations41
US10411214B2Sep 10, 2019
Light emitting device, display device, and electronic device
SEIKO EPSON CORP0 citations41