Inventor
IMAGAWA Yousuke
JP7 patents
Patents
7 patentsUS11999824B2Jun 4, 2024
Composition for optical material and optical material
MITSUBISHI GAS CHEMICAL CO0 citations60
US11858920B2Jan 2, 2024
Episulfide compound and composition for optical material
MITSUBISHI GAS CHEMICAL CO0 citations60
US10508173B2Dec 17, 2019
Composition for optical material and optical material using the same
MITSUBISHI GAS CHEMICAL CO1 citations60
US12486352B2Dec 2, 2025
Composition, and optical material and lens using same
MITSUBISHI GAS CHEMICAL CO0 citations56
US11377433B2Jul 5, 2022
Method for producing polyfunctional sulfur-containing epoxy compound
MITSUBISHI GAS CHEMICAL CO0 citations49
US10647819B2May 12, 2020
Photocurable composition and optical material
MITSUBISHI GAS CHEMICAL CO0 citations49
US9658365B2May 23, 2017
Optical material composition and method for producing same
MITSUBISHI GAS CHEMICAL CO0 citations49