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USPTO Patent Rankings Data through Sept 30, 2025
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Young Chul Chung — 1 Patent

KAIST: 1 patents #5,996 of 11,619Top 55%
Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #3,432,826 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7130325 Sampled grating distributed feedback wavelength tunable semiconductor laser integrated with sampled grating distributed Bragg reflector Su Hwan Oh, Moon-Ho Park, Ji Myon Lee, Ki-Soo Kim, Chul-Wook Lee +3 more 2006-10-31