CO

Chang-Hwan Oh

JI J&L Importers: 9 patents #1 of 1Top 100%
KI Kia: 2 patents #1,218 of 4,539Top 30%
HM Hyundai Motor: 2 patents #4,348 of 11,886Top 40%
HC Hyundai Mobis Co.: 2 patents #479 of 1,496Top 35%
SL Sl Lighting: 1 patents #4 of 19Top 25%
SS Sl Seobong: 1 patents #3 of 7Top 45%
Samsung: 1 patents #49,284 of 75,807Top 70%
PA Pantech: 1 patents #119 of 290Top 45%
PC Pantech&Curitel Communications: 1 patents #17 of 94Top 20%
📍 Budong-ri, KR: #3 of 29 inventorsTop 15%
Overall (All Time): #264,661 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12308231 Method for controlling surface characteristics and thickness of multilayer transition metal dichalcogenide thin film Jun Hong Park 2025-05-20
11788691 Hidden lighting lamp using color conversion materials and vehicles having same Seung-Pyo Hong, Yun Min Cho, Ju Hyun Kim, Jung Woo Shin, Dong Joo Park +1 more 2023-10-17
11746981 Multi-faceted reflective hidden lighting lamp and vehicle thereof Seung-Pyo Hong, Yun Min Cho, Dong Joo Park, Han Soo Park, Ju Hyun Kim +1 more 2023-09-05
8341079 Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal Young Cheol SHIN, Hyuck-Jin Kwon, Doo-Seop Eom 2012-12-25
7926992 Lamp shield driving device and headlamp assembly including the same Jong-Un Kim 2011-04-19
7739190 Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal Young Cheol SHIN, Hyuck-Jin Kwon, Doo-Seop Eom 2010-06-15
6679421 Integrated customer management system and method using wireless barcode Young Cheol SHIN, Hyuck-Jin Gwon, Doo-Seop Eom 2004-01-20
6141642 Text-to-speech apparatus and method for processing multiple languages 2000-10-31
D292470 Fry pan or similar article 1987-10-27
D292472 Fry pan or similar article 1987-10-27
D292471 Cooking utensil or similar article 1987-10-27
D292363 Fry pan or similar article 1987-10-20
D292362 Cooking utensil or similar article 1987-10-20
D292164 Fry pan or similar article 1987-10-06
D292165 Fry pan or similar article 1987-10-06
4622948 Cookware having integrally formed natural stone bottoms and method of manufacturing the same 1986-11-18
4538590 Cookware having integrally formed natural stone bottoms and method of manufacturing the same 1985-09-03