Weonkyu KOH

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical filter and optical spectrometer including the same
- Patent number 10,989,594
- Issue date Apr 27, 2021
- Samsung Electronics Co., Ltd.
- Weonkyu Koh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical filter and optical spectrometer including the same
- Patent number 10,473,524
- Issue date Nov 12, 2019
- Samsung Electronics Co., Ltd.
- Weonkyu Koh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quantum dot light emitting device and optical apparatus including t...
- Patent number 10,388,224
- Issue date Aug 20, 2019
- Samsung Electronics Co., Ltd.
- Hyochul Kim
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optoelectronic device including quantum dot
- Patent number 9,905,790
- Issue date Feb 27, 2018
- Samsung Electronics Co., Ltd.
- Weonkyu Koh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nanocrystal and preparation method thereof
- Patent number 9,828,395
- Issue date Nov 28, 2017
- Samsung Electronics Co., Ltd.
- Weonkyu Koh
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FILTER AND OPTICAL SPECTROMETER INCLUDING THE SAME
- Publication number 20200049559
- Publication date Feb 13, 2020
- Samsung Electronics Co., Ltd.
- Weonkyu KOH
- G02 - OPTICS
Information Patent Application
OPTICAL FILTER AND OPTICAL SPECTROMETER INCLUDING THE SAME
- Publication number 20180216999
- Publication date Aug 2, 2018
- Samsung Electronics Co., Ltd.
- Weonkyu KOH
- G02 - OPTICS
Information Patent Application
QUANTUM DOT LIGHT EMITTING DEVICE AND OPTICAL APPARATUS INCLUDING T...
- Publication number 20180102093
- Publication date Apr 12, 2018
- Samsung Electronics Co., Ltd.
- Hyochul KIM
- G02 - OPTICS
Information Patent Application
NANOCRYSTAL AND PREPARATION METHOD THEREOF
- Publication number 20170260218
- Publication date Sep 14, 2017
- Samsung Electronics Co., Ltd.
- Weonkyu KOH
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTOELECTRONIC DEVICE INCLUDING QUANTUM DOT
- Publication number 20170117496
- Publication date Apr 27, 2017
- Samsung Electronics Co., Ltd.
- Weonkyu KOH
- H01 - BASIC ELECTRIC ELEMENTS