Inventor
TATSUGI HIROYUKI
JP7 patents
Patents
7 patentsUS9738041B2Aug 22, 2017
Optical element, image display device and method for manufacturing same
SEIKO EPSON CORP11 citations79
US11086135B2Aug 10, 2021
Optical module and head-mounted display apparatus
SEIKO EPSON CORP0 citations60
US11709362B2Jul 25, 2023
Method for manufacturing optical element, optical element and display device
SEIKO EPSON CORP0 citations50
US11249320B2Feb 15, 2022
Diffractive optical element and virtual image display device
SEIKO EPSON CORP0 citations50
US11221496B2Jan 11, 2022
Display module and display device
SEIKO EPSON CORP0 citations50
US10401554B2Sep 3, 2019
Light-guiding device and display device
SEIKO EPSON CORP0 citations40
US7683540B2Mar 23, 2010
Light-emitting apparatus, method of manufacturing light-emitting apparatus, image forming apparatus, and electronic apparatus
SEIKO EPSON CORP0 citations32