YK

Yoon-Yong Ko

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Gwangju, KR: #812 of 1,647 inventorsTop 50%
Overall (All Time): #3,415,643 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7039578 Method and apparatus for training foreign languages Sang-Hyun Bae 2006-05-02