Kwang-cheol Oh

Person

Yongin-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Composition for liquid crystal polymer synthesis, liquid crystal po...
- Patent number 11,939,424
- Issue date Mar 26, 2024
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Highly heat-resistant and highly transparent polycarbonate ester, a...
- Patent number 11,732,089
- Issue date Aug 22, 2023
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Molded product manufactured from high heat resistant polycarbonate...
- Patent number 11,590,682
- Issue date Feb 28, 2023
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polycarbonate ester and preparation method therefor
- Patent number 11,535,705
- Issue date Dec 27, 2022
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bio-based polycarbonate ester resin for eyeglass frame
- Patent number 11,479,640
- Issue date Oct 25, 2022
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- G02 - OPTICS
Information Patent Grant
Highly heat-resistant polycarbonate ester and preparation method th...
- Patent number 11,421,076
- Issue date Aug 23, 2022
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Highly heat-resistant and highly transparent polycarbonate ester, a...
- Patent number 10,738,150
- Issue date Aug 11, 2020
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus and method for avoiding cross-reading of RFID using visib...
- Patent number 10,496,857
- Issue date Dec 3, 2019
- Electronics and Telecommunications Research Institute
- Dong Beom Shin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for preparing highly transparent and highly heat-resistant p...
- Patent number 10,479,860
- Issue date Nov 19, 2019
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Highly heat-resistant and highly transparent polycarbonate ester, a...
- Patent number 9,975,991
- Issue date May 22, 2018
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Highly heat-resistant and highly transparent polycarbonate ester, a...
- Patent number 9,963,543
- Issue date May 8, 2018
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus for gain calibration of a microphone array and method the...
- Patent number 9,407,990
- Issue date Aug 2, 2016
- Samsung Electronics Co., Ltd.
- Kyu-Hong Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound source signal filtering apparatus based on calculated distanc...
- Patent number 9,182,475
- Issue date Nov 10, 2015
- Samsung Electronics Co., Ltd.
- Jae-hoon Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for noise estimation, and noise reduction appa...
- Patent number 9,159,335
- Issue date Oct 13, 2015
- Samsung Electronics Co., Ltd.
- Kyu-hong Kim
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for enhancing audio quality using non-uniform...
- Patent number 8,965,002
- Issue date Feb 24, 2015
- Samsung Electronics Co., Ltd.
- Kwang-cheol Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound zooming apparatus and method synchronized with moving picture...
- Patent number 8,897,454
- Issue date Nov 25, 2014
- Samsung Electronics Co., Ltd.
- So-young Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus of transforming speech feature vectors using a...
- Patent number 8,838,446
- Issue date Sep 16, 2014
- Samsung Electronics Co., Ltd.
- So-young Jeong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-stage speech recognition apparatus and method
- Patent number 8,762,142
- Issue date Jun 24, 2014
- Samsung Electronics Co., Ltd.
- So-young Jeong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for canceling noise from mixed sound
- Patent number 8,693,704
- Issue date Apr 8, 2014
- Samsung Electronics Co., Ltd.
- Kyu-hong Kim
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Microphone array apparatus having hidden microphone placement and a...
- Patent number 8,665,305
- Issue date Mar 4, 2014
- Samsung Electronics Co., Ltd.
- Jae-Hoon Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound source signal filtering apparatus based on calculated distanc...
- Patent number 8,577,055
- Issue date Nov 5, 2013
- Samsung Electronics Co., Ltd.
- Jae-hoon Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for restoring voice
- Patent number 8,554,552
- Issue date Oct 8, 2013
- Samsung Electronics Co., Ltd.
- Jae-Hoon Jeong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for automatic gain control using phase informa...
- Patent number 8,406,432
- Issue date Mar 26, 2013
- Samsung Electronics Co., Ltd.
- Kyuhong Kim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sound source signal filtering method based on calculated distances...
- Patent number 8,385,562
- Issue date Feb 26, 2013
- Samsung Electronics Co., Ltd.
- Jae-hoon Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting pitch by using spectral auto-cor...
- Patent number 8,315,854
- Issue date Nov 20, 2012
- Samsung Electronics Co., Ltd.
- Kwang Cheol Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for detecting pitch by using subharmonic-to-ha...
- Patent number 8,311,811
- Issue date Nov 13, 2012
- Samsung Electronics Co., Ltd.
- Kwang Cheol Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Appratus and method for preventing noise
- Patent number 8,300,846
- Issue date Oct 30, 2012
- Samusung Electronics Co., Ltd.
- Kyu-hong Kim
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound zoom method, medium, and apparatus
- Patent number 8,290,177
- Issue date Oct 16, 2012
- Samsung Electronics Co., Ltd.
- So-young Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, medium, and apparatus for extracting target sound from mixe...
- Patent number 8,238,569
- Issue date Aug 7, 2012
- Samsung Electronics Co., Ltd.
- So-young Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, medium, and apparatus for extracting target sound from mixe...
- Patent number 8,229,129
- Issue date Jul 24, 2012
- Samsung Electronics Co., Ltd.
- So-young Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HIGHLY HEAT-RESISTANT POLYCARBONATE ESTER AND PREPARATION METHOD TH...
- Publication number 20220363820
- Publication date Nov 17, 2022
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION, AND COPOLYCARBONATE ESTER AND METHOD FOR...
- Publication number 20210380759
- Publication date Dec 9, 2021
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGHLY BIO-BASED POLYCARBONATE ESTER AND METHOD FOR PRODUCING SAME
- Publication number 20210380760
- Publication date Dec 9, 2021
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BIO-BASED POLYCARBONATE ESTER RESIN FOR EYEGLASS FRAME
- Publication number 20210301081
- Publication date Sep 30, 2021
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- G02 - OPTICS
Information Patent Application
BIO-BASED POLYCARBONATE ESTER AND PREPARATION METHOD THEREFOR
- Publication number 20200362105
- Publication date Nov 19, 2020
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MOLDED PRODUCT MANUFACTURED FROM HIGH HEAT RESISTANT POLYCARBONATE...
- Publication number 20200346386
- Publication date Nov 5, 2020
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Highly Heat-Resistant And Highly Transparent Polycarbonate Ester, A...
- Publication number 20200308343
- Publication date Oct 1, 2020
- SK Chemicals Co., Ltd.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGHLY HEAT-RESISTANT POLYCARBONATE ESTER AND PREPARATION METHOD TH...
- Publication number 20200216609
- Publication date Jul 9, 2020
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR LIQUID CRYSTAL POLYMER SYNTHESIS, LIQUID CRYSTAL PO...
- Publication number 20200102420
- Publication date Apr 2, 2020
- SK Chemicals Co., Ltd.
- Kwang Sei OH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
APPARATUS AND METHOD FOR AVOIDING CROSS-READING OF RFID USING VISIB...
- Publication number 20190147201
- Publication date May 16, 2019
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Dong Beom SHIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Highly Heat-Resistant And Highly Transparent Polycarbonate Ester, A...
- Publication number 20180223041
- Publication date Aug 9, 2018
- SK Chemicals Co., Ltd.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL METHOD FOR PREPARING HIGHLY TRANSPARENT AND HIGHLY HEAT-RESIS...
- Publication number 20170369641
- Publication date Dec 28, 2017
- SK CHEMICALS CO., LTD.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGHLY HEAT-RESISTANT AND HIGHLY TRANSPARENT POLYCARBONATE ESTER, A...
- Publication number 20170166693
- Publication date Jun 15, 2017
- SK Chemicals Co., Ltd.
- Kwang Sei OH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGHLY HEAT-RESISTANT AND HIGHLY TRANSPARENT POLYCARBONATE ESTER, A...
- Publication number 20160152767
- Publication date Jun 2, 2016
- SK CHEMICALS CO., LTD.
- Kwang Sei Oh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SOUND SOURCE SIGNAL FILTERING APPARATUS BASED ON CALCULATED DISTANC...
- Publication number 20140056106
- Publication date Feb 27, 2014
- Samsung Electronics Co., Ltd.
- Jae-hoon Jeong
- G01 - MEASURING TESTING
Information Patent Application
SOUND SOURCE SIGNAL FILTERING APPARATUS BASED ON CALCULATED DISTANC...
- Publication number 20130129113
- Publication date May 23, 2013
- Samsung Electronics Co., Ltd.
- Jae-hoon Jeong
- G01 - MEASURING TESTING
Information Patent Application
SOUND ZOOM METHOD, MEDIUM, AND APPARATUS
- Publication number 20130022217
- Publication date Jan 24, 2013
- Samsung Electronics Co., Ltd.
- So-young JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR ESTIMATING NOISE BY NOISE REGION DISCRIMIN...
- Publication number 20120179458
- Publication date Jul 12, 2012
- Kwang-Cheol Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MICROPHONE ARRAY APPARATUS HAVING HIDDEN MICROPHONE PLACEMENT AND A...
- Publication number 20120169826
- Publication date Jul 5, 2012
- Samsung Electronics Co., Ltd.
- Jae-Hoon JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR ENHANCING AUDIO QUALITY USING NON-UNIFORM...
- Publication number 20120070015
- Publication date Mar 22, 2012
- Samsung Electronics Co., Ltd.
- Kwang-Cheol OH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD FOR REDUCING REAR NOISE
- Publication number 20110235822
- Publication date Sep 29, 2011
- Jae-Hoon JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS FOR GAIN CALIBRATION OF A MICROPHONE ARRAY AND METHOD THE...
- Publication number 20110075859
- Publication date Mar 31, 2011
- Samsung Electronics Co., Ltd.
- Kyu-Hong KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR REDUCING NOISE USING COMPLEX SPECTRUM
- Publication number 20110051956
- Publication date Mar 3, 2011
- Samsung Electronics Co., Ltd.
- So-Young JEONG
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD FOR EXTRACTING TARGET SOUND FROM MIXED SOURCE...
- Publication number 20100254539
- Publication date Oct 7, 2010
- Samsung Electronics Co., Ltd.
- So-young Jeong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPRATUS AND METHOD FOR PREVENTING NOISE
- Publication number 20100119079
- Publication date May 13, 2010
- Kyu-hong KIM
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SOUND ZOOMING APPARATUS AND METHOD SYNCHRONIZED WITH MOVING PICTURE...
- Publication number 20100118201
- Publication date May 13, 2010
- So-young JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD OF DETECTING TARGET SOUND
- Publication number 20100110834
- Publication date May 6, 2010
- Kyu-hong KIM
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR RESTORING VOICE
- Publication number 20100114570
- Publication date May 6, 2010
- Jae-hoon Jeong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD FOR NOISE ESTIMATION, AND NOISE REDUCTION APPA...
- Publication number 20100092000
- Publication date Apr 15, 2010
- Kyu-hong KIM
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method, medium, and apparatus for extracting target sound from mixe...
- Publication number 20090279715
- Publication date Nov 12, 2009
- Samsung Electronics Co., Ltd.
- So-young Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kwang-cheol Oh

Person

Patents Grantslast 30 patents

Composition for liquid crystal polymer synthesis, liquid crystal po...

Highly heat-resistant and highly transparent polycarbonate ester, a...

Molded product manufactured from high heat resistant polycarbonate...

Polycarbonate ester and preparation method therefor

Bio-based polycarbonate ester resin for eyeglass frame

Highly heat-resistant polycarbonate ester and preparation method th...

Highly heat-resistant and highly transparent polycarbonate ester, a...

Apparatus and method for avoiding cross-reading of RFID using visib...

Method for preparing highly transparent and highly heat-resistant p...

Highly heat-resistant and highly transparent polycarbonate ester, a...

Highly heat-resistant and highly transparent polycarbonate ester, a...

Apparatus for gain calibration of a microphone array and method the...

Sound source signal filtering apparatus based on calculated distanc...

Apparatus and method for noise estimation, and noise reduction appa...

Apparatus and method for enhancing audio quality using non-uniform...

Sound zooming apparatus and method synchronized with moving picture...

Method and apparatus of transforming speech feature vectors using a...

Multi-stage speech recognition apparatus and method

Method and apparatus for canceling noise from mixed sound

Microphone array apparatus having hidden microphone placement and a...

Sound source signal filtering apparatus based on calculated distanc...

Apparatus and method for restoring voice

Apparatus and method for automatic gain control using phase informa...

Sound source signal filtering method based on calculated distances...

Method and apparatus for detecting pitch by using spectral auto-cor...

Method and apparatus for detecting pitch by using subharmonic-to-ha...

Appratus and method for preventing noise

Sound zoom method, medium, and apparatus

Method, medium, and apparatus for extracting target sound from mixe...

Method, medium, and apparatus for extracting target sound from mixe...

Patents Applicationslast 30 patents

HIGHLY HEAT-RESISTANT POLYCARBONATE ESTER AND PREPARATION METHOD TH...

POLYMERIZABLE COMPOSITION, AND COPOLYCARBONATE ESTER AND METHOD FOR...

HIGHLY BIO-BASED POLYCARBONATE ESTER AND METHOD FOR PRODUCING SAME

BIO-BASED POLYCARBONATE ESTER RESIN FOR EYEGLASS FRAME

BIO-BASED POLYCARBONATE ESTER AND PREPARATION METHOD THEREFOR

MOLDED PRODUCT MANUFACTURED FROM HIGH HEAT RESISTANT POLYCARBONATE...

Highly Heat-Resistant And Highly Transparent Polycarbonate Ester, A...

HIGHLY HEAT-RESISTANT POLYCARBONATE ESTER AND PREPARATION METHOD TH...

COMPOSITION FOR LIQUID CRYSTAL POLYMER SYNTHESIS, LIQUID CRYSTAL PO...

APPARATUS AND METHOD FOR AVOIDING CROSS-READING OF RFID USING VISIB...

Highly Heat-Resistant And Highly Transparent Polycarbonate Ester, A...

NOVEL METHOD FOR PREPARING HIGHLY TRANSPARENT AND HIGHLY HEAT-RESIS...

HIGHLY HEAT-RESISTANT AND HIGHLY TRANSPARENT POLYCARBONATE ESTER, A...

HIGHLY HEAT-RESISTANT AND HIGHLY TRANSPARENT POLYCARBONATE ESTER, A...

SOUND SOURCE SIGNAL FILTERING APPARATUS BASED ON CALCULATED DISTANC...

SOUND SOURCE SIGNAL FILTERING APPARATUS BASED ON CALCULATED DISTANC...

SOUND ZOOM METHOD, MEDIUM, AND APPARATUS

APPARATUS AND METHOD FOR ESTIMATING NOISE BY NOISE REGION DISCRIMIN...

MICROPHONE ARRAY APPARATUS HAVING HIDDEN MICROPHONE PLACEMENT AND A...

APPARATUS AND METHOD FOR ENHANCING AUDIO QUALITY USING NON-UNIFORM...

APPARATUS AND METHOD FOR REDUCING REAR NOISE

APPARATUS FOR GAIN CALIBRATION OF A MICROPHONE ARRAY AND METHOD THE...

APPARATUS AND METHOD FOR REDUCING NOISE USING COMPLEX SPECTRUM

APPARATUS AND METHOD FOR EXTRACTING TARGET SOUND FROM MIXED SOURCE...

APPRATUS AND METHOD FOR PREVENTING NOISE

SOUND ZOOMING APPARATUS AND METHOD SYNCHRONIZED WITH MOVING PICTURE...

APPARATUS AND METHOD OF DETECTING TARGET SOUND

APPARATUS AND METHOD FOR RESTORING VOICE

APPARATUS AND METHOD FOR NOISE ESTIMATION, AND NOISE REDUCTION APPA...

Method, medium, and apparatus for extracting target sound from mixe...