Inventor
OIKAWA HIROYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OIKAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
15 patentsUS10620494B2Apr 14, 2020
Electro-optical device and electronic apparatus
SEIKO EPSON CORP5 citations72
US9082854B2Jul 14, 2015
Electrooptic device substrate for shielding light from switching element, electrooptic device, and electronic apparatus
SEIKO EPSON CORP3 citations62
US11424274B2Aug 23, 2022
Electro-optical device and electronic apparatus
SEIKO EPSON CORP0 citations61
US9030458B2May 12, 2015
Electro-optical device and electronic apparatus
SEIKO EPSON CORP0 citations51
US12405495B2Sep 2, 2025
Electro-optical device and electronic apparatus
SEIKO EPSON CORP0 citations50
US12339548B2Jun 24, 2025
Electro-optical device and electronic device
SEIKO EPSON CORP0 citations50
US11682361B2Jun 20, 2023
Liquid crystal device and electronic apparatus having electrode between pixel area and seal material
SEIKO EPSON CORP0 citations50
US11662640B2May 30, 2023
Electro-optical device with interlayer insulating layers and contact holes, and electronic apparatus
SEIKO EPSON CORP0 citations50
US11664387B2May 30, 2023
Electro-optical device having openings with inner walls and electronic apparatus
SEIKO EPSON CORP0 citations50
US11862121B2Jan 2, 2024
Liquid crystal apparatus and projection-type display apparatus
SEIKO EPSON CORP0 citations49
US11636817B2Apr 25, 2023
Liquid crystal device and electronic apparatus
SEIKO EPSON CORP0 citations46
US10859882B2Dec 8, 2020
Electro-optical device and electronic apparatus
SEIKO EPSON CORP0 citations41
US9817157B2Nov 14, 2017
Lens array substrate, electro-optical apparatus and electronic equipment
SEIKO EPSON CORP0 citations41
US10495873B2Dec 3, 2019
Electronic device and electro-optical device having a mirror with antireflection film
SEIKO EPSON CORP0 citations40
US10133060B2Nov 20, 2018
Electro-optical device and electronic device
SEIKO EPSON CORP0 citations40