DONGWOO FINE-CHEM., LTD

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SEOUL, KR

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Silicon etchant composition, pattern formation method and manufactu...
- Patent number 12,359,125
- Issue date Jul 15, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Jin-Kyu Roh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Touch sensor
- Patent number 12,346,527
- Issue date Jul 1, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Byoungin Kim
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna device and display device including the same
- Patent number 12,334,642
- Issue date Jun 17, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Jae Hyun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polarizing plate and display device including the same
- Patent number 12,329,021
- Issue date Jun 10, 2025
- Samsung Display Co., Ltd.
- Beong Hun Beon
- G02 - OPTICS
Information Patent Grant
Method of preparing a polarizing plate for antireflection
- Patent number 12,321,001
- Issue date Jun 3, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Dongduk Choi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Antenna structure including a plurlaity of radiating portions
- Patent number 12,316,025
- Issue date May 27, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Young Ju Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical laminate and manufacturing method therefor, smart window co...
- Patent number 12,313,942
- Issue date May 27, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Dong-Hwi Kim
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Antenna stack structure
- Patent number 12,308,516
- Issue date May 20, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Byung Jin Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Etching compositions and methods for fabricating semiconductor devi...
- Patent number 12,297,385
- Issue date May 13, 2025
- Samsung Electronics Co., Ltd.
- Min Hyung Cho
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical laminate, method for manufacturing same, smart window compr...
- Patent number 12,282,221
- Issue date Apr 22, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Sung-Su Kim
- G02 - OPTICS
Information Patent Grant
Touch sensor having device hole defined between sensing electrodes...
- Patent number 12,282,619
- Issue date Apr 22, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Byung Jin Choi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical stack, and manufacturing method for same, and smart window...
- Patent number 12,282,220
- Issue date Apr 22, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Hyun-Seong Kim
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Antenna structure
- Patent number 12,272,869
- Issue date Apr 8, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Young Ju Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit board for light-emitting diode assembly, backlight unit inc...
- Patent number 12,271,079
- Issue date Apr 8, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Cheol Hun Lee
- G02 - OPTICS
Information Patent Grant
Composition for removing polymer
- Patent number 12,269,788
- Issue date Apr 8, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Soon-Hong Pang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Antenna package and image display device including the same
- Patent number 12,255,386
- Issue date Mar 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Byung Jin Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Package board, antenna package including the same and image display...
- Patent number 12,255,414
- Issue date Mar 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Na Yeon Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna package and image display device including the same
- Patent number 12,249,767
- Issue date Mar 11, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Jong Min Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Touch sensor and image display device including the same
- Patent number 12,242,697
- Issue date Mar 4, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Dong Bin Yoo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna package and image display device including the same
- Patent number 12,244,054
- Issue date Mar 4, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Byung Jin Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and display device including the same
- Patent number 12,244,059
- Issue date Mar 4, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Jae Hyun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna package and image display device including the same
- Patent number 12,230,873
- Issue date Feb 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Na Yeon Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flow nanoparticle measurement device and method of determining nano...
- Patent number 12,228,495
- Issue date Feb 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Su Yeon Oh
- G01 - MEASURING TESTING
Information Patent Grant
Connector structure for antenna, antenna package and image display...
- Patent number 12,230,924
- Issue date Feb 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Young Ju Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for inspecting antenna and method for inspecting antenna
- Patent number 12,228,599
- Issue date Feb 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Han Sub Ryu
- G01 - MEASURING TESTING
Information Patent Grant
Antenna device and display device including the same
- Patent number 12,230,872
- Issue date Feb 18, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Hee Jun Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna structure and display device including the same
- Patent number 12,225,663
- Issue date Feb 11, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Na Yeon Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Touch sensor, window laminate comprising same and image display dev...
- Patent number 12,210,710
- Issue date Jan 28, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Cheol-Hun Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Impedance converter for antenna, antenna module including the same...
- Patent number 12,206,384
- Issue date Jan 21, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Sung Hoe Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna package and image display device including the same
- Patent number 12,206,184
- Issue date Jan 21, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Byung Jin Choi
- H01 - BASIC ELECTRIC ELEMENTS

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Patents Applicationslast 30 patents

Information Patent Application
PHOTORESIST CLEANING COMPOSITION AND METHOD OF FORMING PHOTORESIST...
- Publication number 20250236823
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- GI JIN KWUN
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
CLEANING COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN USIN...
- Publication number 20250237958
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- GI JIN KWUN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ETCHANT COMPOSITION FOR ETCHING SILICON AND METHOD OF FORMING PATTE...
- Publication number 20250236792
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- JIN KYU ROH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ETCHING COMPOSITIONS AND METHODS FOR FABRICATING SEMICONDUCTOR DEVI...
- Publication number 20250236793
- Publication date Jul 24, 2025
- Samsung Electronics Co., Ltd.
- Min Hyung CHO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CLEANING COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN USIN...
- Publication number 20250236822
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- GI JIN KWUN
- B08 - CLEANING
Information Patent Application
COMPOSITION FOR ETCHING SILICON NITRIDE LAYER
- Publication number 20250236794
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- KYU SANG AHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PARTICLE MEASUREMENT DEVICE
- Publication number 20250237595
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- YOUNG HOON KIM
- G01 - MEASURING TESTING
Information Patent Application
THINNER COMPOSITION
- Publication number 20250230356
- Publication date Jul 17, 2025
- DONGWOO FINE-CHEM CO., LTD.
- TAE KYUNG LEE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL LAMINATE, METHOD FOR MANUFACTURING THE SAME, SMART WINDOW I...
- Publication number 20250224549
- Publication date Jul 10, 2025
- DONGWOO FINE-CHEM CO., LTD
- Sung-Min KIM
- G02 - OPTICS
Information Patent Application
OPTICAL LAMINATE, SMART WINDOW INCLUDING THE SAME, AND AUTOMOBILE O...
- Publication number 20250224644
- Publication date Jul 10, 2025
- DONGWOO FINE-CHEM CO., LTD
- Sung-Min KIM
- G02 - OPTICS
Information Patent Application
OPTICAL LAMINATE AND IMAGE DISPLAY DEVICE INCLUDING SAME
- Publication number 20250216584
- Publication date Jul 3, 2025
- DONGWOO FINE-CHEM CO., LTD
- Hyeong-Joo PARK
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL LAMINATE AND SUNROOF INCLUDING THE SAME
- Publication number 20250208463
- Publication date Jun 26, 2025
- DONGWOO FINE-CHEM CO., LTD
- Geo-San LIM
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICAL LAMINATE AND SUNROOF INCLUDING THE SAME
- Publication number 20250208462
- Publication date Jun 26, 2025
- DONGWOO FINE-CHEM CO., LTD
- Geo-San LIM
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICAL LAMINATE AND SUNROOF INCLUDING THE SAME
- Publication number 20250208461
- Publication date Jun 26, 2025
- DONGWOO FINE-CHEM CO., LTD
- Geo-San LIM
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICAL STACK AND MANUFACTURING METHOD FOR SAME, SMART WINDOW INCLU...
- Publication number 20250172837
- Publication date May 29, 2025
- DONGWOO FINE-CHEM CO., LTD
- Sung-Min KIM
- G02 - OPTICS
Information Patent Application
OPTICAL STACK AND MANUFACTURING METHOD FOR SAME, SMART WINDOW INCLU...
- Publication number 20250172838
- Publication date May 29, 2025
- DONGWOO FINE-CHEM CO., LTD
- Sung-Min KIM
- G02 - OPTICS
Information Patent Application
VARIABLE TRANSMITTANCE OPTICAL STACK AND MANUFACTURING METHOD FOR S...
- Publication number 20250157447
- Publication date May 15, 2025
- DONGWOO FINE-CHEM CO., LTD
- Geo-San LIM
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW CO...
- Publication number 20250138360
- Publication date May 1, 2025
- DONGWOO FINE-CHEM CO., LTD
- Hong-Jun AHN
- B60 - VEHICLES IN GENERAL
Information Patent Application
SENSOR DEVICE PACKAGE AND IMAGE DISPLAY DEVICE INCLUDING THE SAME
- Publication number 20250138683
- Publication date May 1, 2025
- DONGWOO FINE-CHEM CO., LTD.
- DO HYOUNG KWON
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SENSOR DEVICE AND IMAGE DISPLAY DEVICE INCLUDING THE SAME
- Publication number 20250125518
- Publication date Apr 17, 2025
- DONGWOO FINE-CHEM CO., LTD.
- DO HYOUNG KWON
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SENSOR DEVICE AND IMAGE DISPLAY DEVICE INCLUDING THE SAME
- Publication number 20250123704
- Publication date Apr 17, 2025
- DONGWOO FINE-CHEM CO., LTD.
- DO HYOUNG KWON
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL FILM LAMINATE AND IMAGE DISPLAY DEVICE COMPRISING SAME
- Publication number 20250123435
- Publication date Apr 17, 2025
- DONGWOO FINE-CHEM CO., LTD.
- JI HOON KONG
- G02 - OPTICS
Information Patent Application
ANTENNA DEVICE, ANTENNA STRUCTURE INCLUDING THE SAME AND IMAGE DISP...
- Publication number 20250105489
- Publication date Mar 27, 2025
- DONGWOO FINE-CHEM CO., LTD.
- WON HEE LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE, ANTENNA STRUCTURE INCLUDING THE SAME AND IMAGE DISP...
- Publication number 20250105524
- Publication date Mar 27, 2025
- DONGWOO FINE-CHEM CO., LTD.
- WON HEE LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW CO...
- Publication number 20250102855
- Publication date Mar 27, 2025
- DONGWOO FINE-CHEM CO., LTD
- Dong-Hwi KIM
- G02 - OPTICS
Information Patent Application
ADHESIVE COMPOSITION, ADHESIVE SHEET AND OPTICAL FILM
- Publication number 20250092289
- Publication date Mar 20, 2025
- DONGWOO FINE-CHEM CO., LTD.
- HYE RIM KWON
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ANTENNA STRUCTURE AND IMAGE DISPLAY DEVICE
- Publication number 20250079709
- Publication date Mar 6, 2025
- DONGWOO FINE-CHEM CO., LTD.
- YOON HO HUH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PURIFICATION METHOD AND APPARATUS FOR AQUEOUS HYDROGEN PEROXIDE SOL...
- Publication number 20250042738
- Publication date Feb 6, 2025
- DONGWOO FINE-CHEM CO., LTD
- Hong-Ki MIN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PURIFICATION METHOD AND SYSTEM FOR AQUEOUS HYDROGEN PEROXIDE SOLUTION
- Publication number 20250042737
- Publication date Feb 6, 2025
- DONGWOO FINE-CHEM CO., LTD
- Hong-Ki MIN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PURIFICATION PROCESS OF ORGANIC SOLVENT AND DEHYDRATION SYSTEM
- Publication number 20250034068
- Publication date Jan 30, 2025
- DONGWOO FINE-CHEM CO., LTD
- Hwan-Min KIM
- C07 - ORGANIC CHEMISTRY

DONGWOO FINE-CHEM., LTD

Organization

Patents Grantslast 30 patents

Silicon etchant composition, pattern formation method and manufactu...

Touch sensor

Antenna device and display device including the same

Polarizing plate and display device including the same

Method of preparing a polarizing plate for antireflection

Antenna structure including a plurlaity of radiating portions

Optical laminate and manufacturing method therefor, smart window co...

Antenna stack structure

Etching compositions and methods for fabricating semiconductor devi...

Optical laminate, method for manufacturing same, smart window compr...

Touch sensor having device hole defined between sensing electrodes...

Optical stack, and manufacturing method for same, and smart window...

Antenna structure

Circuit board for light-emitting diode assembly, backlight unit inc...

Composition for removing polymer

Antenna package and image display device including the same

Package board, antenna package including the same and image display...

Antenna package and image display device including the same

Touch sensor and image display device including the same

Antenna package and image display device including the same

Antenna device and display device including the same

Antenna package and image display device including the same

Flow nanoparticle measurement device and method of determining nano...

Connector structure for antenna, antenna package and image display...

Apparatus for inspecting antenna and method for inspecting antenna

Antenna device and display device including the same

Antenna structure and display device including the same

Touch sensor, window laminate comprising same and image display dev...

Impedance converter for antenna, antenna module including the same...

Antenna package and image display device including the same

Patents Applicationslast 30 patents

PHOTORESIST CLEANING COMPOSITION AND METHOD OF FORMING PHOTORESIST...

CLEANING COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN USIN...

ETCHANT COMPOSITION FOR ETCHING SILICON AND METHOD OF FORMING PATTE...

ETCHING COMPOSITIONS AND METHODS FOR FABRICATING SEMICONDUCTOR DEVI...

CLEANING COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN USIN...

COMPOSITION FOR ETCHING SILICON NITRIDE LAYER

PARTICLE MEASUREMENT DEVICE

THINNER COMPOSITION

OPTICAL LAMINATE, METHOD FOR MANUFACTURING THE SAME, SMART WINDOW I...

OPTICAL LAMINATE, SMART WINDOW INCLUDING THE SAME, AND AUTOMOBILE O...

OPTICAL LAMINATE AND IMAGE DISPLAY DEVICE INCLUDING SAME

OPTICAL LAMINATE AND SUNROOF INCLUDING THE SAME

OPTICAL LAMINATE AND SUNROOF INCLUDING THE SAME

OPTICAL LAMINATE AND SUNROOF INCLUDING THE SAME

OPTICAL STACK AND MANUFACTURING METHOD FOR SAME, SMART WINDOW INCLU...

OPTICAL STACK AND MANUFACTURING METHOD FOR SAME, SMART WINDOW INCLU...

VARIABLE TRANSMITTANCE OPTICAL STACK AND MANUFACTURING METHOD FOR S...

OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW CO...

SENSOR DEVICE PACKAGE AND IMAGE DISPLAY DEVICE INCLUDING THE SAME

SENSOR DEVICE AND IMAGE DISPLAY DEVICE INCLUDING THE SAME

SENSOR DEVICE AND IMAGE DISPLAY DEVICE INCLUDING THE SAME

OPTICAL FILM LAMINATE AND IMAGE DISPLAY DEVICE COMPRISING SAME

ANTENNA DEVICE, ANTENNA STRUCTURE INCLUDING THE SAME AND IMAGE DISP...

ANTENNA DEVICE, ANTENNA STRUCTURE INCLUDING THE SAME AND IMAGE DISP...

OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW CO...

ADHESIVE COMPOSITION, ADHESIVE SHEET AND OPTICAL FILM

ANTENNA STRUCTURE AND IMAGE DISPLAY DEVICE

PURIFICATION METHOD AND APPARATUS FOR AQUEOUS HYDROGEN PEROXIDE SOL...

PURIFICATION METHOD AND SYSTEM FOR AQUEOUS HYDROGEN PEROXIDE SOLUTION

PURIFICATION PROCESS OF ORGANIC SOLVENT AND DEHYDRATION SYSTEM