Hak-Seong Kang

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Changwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing polishing pad
- Patent number 10,457,790
- Issue date Oct 29, 2019
- KPX CHEMICAL CO., LTD.
- Seung-Geun Kim
- B24 - GRINDING POLISHING
Information Patent Grant
Method of manufacturing polishing pad
- Patent number 10,421,845
- Issue date Sep 24, 2019
- KPX CHEMICAL CO., LTD.
- Seung-Geun Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultrasonic wave converter, electric pulse generating device, and ul...
- Patent number 10,043,965
- Issue date Aug 7, 2018
- KORUST CO., LTD.
- So-Yuon Jo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING POLISHING PAD WINDOW, AND POLISHING PAD WI...
- Publication number 20240367356
- Publication date Nov 7, 2024
- KPX CHEMICAL CO., LTD.
- Byung Ju MIN
- B24 - GRINDING POLISHING
Information Patent Application
METHOD OF MANUFACTURING POLISHING PAD
- Publication number 20180118908
- Publication date May 3, 2018
- KPX CHEMICAL CO., LTD.
- Seung-Geun KIM
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLISHING PAD AND METHOD FOR MANUFACTURING SAME
- Publication number 20150133039
- Publication date May 14, 2015
- KPX CHEMICAL CO., LTD.
- Bong-Su Ahn
- B24 - GRINDING POLISHING
Information Patent Application
ULTRASONIC WAVE CONVERTER, ELECTRIC PULSE GENERATING DEVICE, AND UL...
- Publication number 20140354111
- Publication date Dec 4, 2014
- So-Yuon Jo
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL