Inventor
SUGAWARA TOSHIAKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEXERIALS CORP
17 patentsUS11971568B2Apr 30, 2024
Polarizing plate, manufacturing method thereof, and optical device
DEXERIALS CORP2 citations72
US11543702B2Jan 3, 2023
Polarizer and optical apparatus
DEXERIALS CORP2 citations72
US10436964B2Oct 8, 2019
Inorganic polarizing plate, method of manufacturing the same, and optical instrument
DEXERIALS CORP2 citations71
US11249233B2Feb 15, 2022
Thin film for optical element, method of manufacturing thin film for optical element, inorganic polarizing plate, method of manufacturing inorganic polarizing plate, optical element, and optical device
DEXERIALS CORP0 citations62
US10928574B2Feb 23, 2021
Polarizing plate, production method thereof and optical apparatus
DEXERIALS CORP0 citations61
US11573362B2Feb 7, 2023
Optical element and projection image display apparatus
DEXERIALS CORP0 citations58
US11294114B2Apr 5, 2022
Optical element and projection image display apparatus
DEXERIALS CORP0 citations58
US10996388B2May 4, 2021
Manufacturing method of phase difference element, phase difference element, and projection image display device
DEXERIALS CORP0 citations58
US11966068B2Apr 23, 2024
Inorganic wave plate and manufacturing method therefor
DEXERIALS CORP0 citations51
US11579350B2Feb 14, 2023
Wire grid polarization plate having dielectric layer with concave portions
DEXERIALS CORP0 citations51
US11500140B2Nov 15, 2022
Polarizing plate and optical apparatus having tip portions with continuous curved surface
DEXERIALS CORP0 citations51
US11112550B2Sep 7, 2021
Polarizing plate, optical apparatus and method of manufacturing polarizing plate
DEXERIALS CORP0 citations51
US11029458B2Jun 8, 2021
Polarizing plate and optical apparatus including the same
DEXERIALS CORP0 citations51
US11009789B2May 18, 2021
Pattern formation method and method for manufacturing polarizing plate
DEXERIALS CORP0 citations51
US12235481B2Feb 25, 2025
Polarizing plate
DEXERIALS CORP0 citations47
US11385389B2Jul 12, 2022
Polarizing plate having discontinuous water-repellent portion and manufacturing method thereof
DEXERIALS CORP0 citations47
US10042176B2Aug 7, 2018
Polarization conversion element, polarization-conversion-element manufacturing method, light-source unit, and optical device
DEXERIALS CORP0 citations38