Hyo-Sung Yoon

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Jeollabuk-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning solution composition for a solar cell
- Patent number 8,614,175
- Issue date Dec 24, 2013
- Dongwoo Fine-Chem Co., Ltd.
- Hyo-Joong Yoon
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
SILICON-ETCHANT COMPOSITION AND METHOD OF FORMING PATTERN USING THE...
- Publication number 20240287383
- Publication date Aug 29, 2024
- DONGWOO FINE-CHEM CO., LTD.
- JIN KYU ROH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
RUTHENIUM ETCHANT COMPOSITION, PATTERN FORMATION METHOD USING SAME...
- Publication number 20230272279
- Publication date Aug 31, 2023
- DONGWOO FINE-CHEM CO., LTD
- Ji-Won Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ETCHING COMPOSITIONS AND METHODS FOR FABRICATING SEMICONDUCTOR DEVI...
- Publication number 20220267673
- Publication date Aug 25, 2022
- SAMSUNG ELECTRONICS CO., LTD.
- Min Hyung CHO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CLEANING SOLUTION COMPOSITION FOR A SOLAR CELL
- Publication number 20120090670
- Publication date Apr 19, 2012
- DONGWOO FINE-CHEM CO., LTD.
- Hyo-Joong Yoon
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Method for connecting to wireless internet site by using phone number
- Publication number 20050026636
- Publication date Feb 3, 2005
- Hyo-Sung Yoon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE