Kwi-Yeon Lee

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Shiheung-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Three-way catalyst comprising Pd—Rh alloy
- Patent number 11,135,572
- Issue date Oct 5, 2021
- Heesung Catalysts Corporation
- Hyun-sik Han
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
THREE-WAY CATALYST COMPRISING PD-RH ALLOY
- Publication number 20180361361
- Publication date Dec 20, 2018
- HEESUNG CATALYSTS CORPORATION
- Hyun-sik Han
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYTIC MEMBER FOR PURIFYING EXHAUST GASES, AND WASHCOAT
- Publication number 20160332146
- Publication date Nov 17, 2016
- HEESUNG CATALYSTS CORPORATION
- Hyun-sik Han
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Catalyst containing little or no rhodium for purifying exhaust gase...
- Publication number 20080045404
- Publication date Feb 21, 2008
- HEESUNG CATALYST CORPORATION
- Hyun-Sik Han
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL