Joonsung RYOU

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Porous polyurethane polishing pad and process for preparing the same
- Patent number 11,642,752
- Issue date May 9, 2023
- SK ENPULSE CO., LTD.
- Jang Won Seo
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
POLISHING PAD AND METHOD FOR PRODUCING SAME
- Publication number 20210354267
- Publication date Nov 18, 2021
- SKC CO., LTD.
- Joonsung RYOU
- B24 - GRINDING POLISHING
Information Patent Application
POROUS POLYURETHANE POLISHING PAD AND PROCESS FOR PREPARING THE SAME
- Publication number 20210229237
- Publication date Jul 29, 2021
- SKC solmics Co., Ltd.
- Jang Won SEO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLISHING PAD COMPRISING WINDOW SIMILAR IN HARDNESS TO POLISHING LAYER
- Publication number 20200164483
- Publication date May 28, 2020
- SKC CO., LTD.
- Sunghoon YUN
- B24 - GRINDING POLISHING
Information Patent Application
POROUS POLYURETHANE POLISHING PAD AND PREPARATION METHOD THEREOF
- Publication number 20190061097
- Publication date Feb 28, 2019
- SKC CO., LTD.
- Jang Won SEO
- B24 - GRINDING POLISHING