YO

Young-Jik Oh

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Yeongcheon-si, KR: #20 of 34 inventorsTop 60%
Overall (All Time): #3,313,547 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7857481 Multi-functional traffic signal stick Byung-Hoon Jun, Jae-Kyu Kwon 2010-12-28