Yang-Joo Ko

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen sensor for vehicle
- Patent number 11,131,231
- Issue date Sep 28, 2021
- HYUNDAI KEFICO CORPORATION
- Dae-Gun Lee
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Particulate matter sensor and exhaust gas purification system using...
- Patent number 10,473,573
- Issue date Nov 12, 2019
- Amotech Co., Ltd.
- Yeon-Soo Chung
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
OXYGEN SENSOR FOR VEHICLE
- Publication number 20200049054
- Publication date Feb 13, 2020
- HYUNDAI KEFICO CORPORATION
- Dae-Gun Lee
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
PARTICULATE MATTER SENSOR AND EXHAUST GAS PURIFICATION SYSTEM USING...
- Publication number 20160363522
- Publication date Dec 15, 2016
- AMOTECH CO., LTD.
- Yeon-Soo Chung
- G01 - MEASURING TESTING
Information Patent Application
OXYGEN SENSOR HAVING POROUS CERAMIC COATING LAYER FORMED THEREON AN...
- Publication number 20150159258
- Publication date Jun 11, 2015
- HYUNDAI KEFICO CORPORATION
- Yun-Ki Chung
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...