Duk Jae Cho

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Anyang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Reflective polarizer and backlight unit including same
- Patent number 10,527,883
- Issue date Jan 7, 2020
- Toray Chemical Korea Inc.
- Seung Jin Ko
- G02 - OPTICS
Information Patent Grant
Random dispersion-type reflection polarizer
- Patent number 9,952,363
- Issue date Apr 24, 2018
- Toray Korea Chemical, Inc.
- Sueng Jin Ko
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Reflective polarizer having a dispersed polymer
- Patent number 9,170,355
- Issue date Oct 27, 2015
- WOONGJIN CHEMICAL CO., LTD.
- Duk Jae Cho
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FINANCIAL SERVICE PROVIDING SYSTEM AND SIMPLE-PAYMENT COMPANY SERVE...
- Publication number 20240303725
- Publication date Sep 12, 2024
- KAKAOPAY CORP.
- Seokgeun Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FINANCIAL SERVICE PROVISION SYSTEM AND SIMPLE PAYMENT COMPANY SERVE...
- Publication number 20240112256
- Publication date Apr 4, 2024
- KAKAOPAY CORP.
- Seokgeun Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REFLECTIVE POLARIZER AND BACKLIGHT UNIT INCLUDING SAME
- Publication number 20180172887
- Publication date Jun 21, 2018
- TORAY CHEMICAL KOREA INC.
- Seung Jin KO
- G02 - OPTICS
Information Patent Application
RANDOM DISPERSION-TYPE REFLECTION POLARIZER
- Publication number 20160320537
- Publication date Nov 3, 2016
- Toray Chemical Korea Inc.
- Seung Jin KO
- G02 - OPTICS
Information Patent Application
REFLECTIVE POLARIZER HAVING A DISPERSED POLYMER
- Publication number 20140043786
- Publication date Feb 13, 2014
- Woongjin Chemical Co., Ltd.
- Duk Jae Cho
- G02 - OPTICS