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USPTO Patent Rankings Data through Sept 30, 2025
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Junghoon Chang — 1 Patent

LG: 1 patents #17,402 of 26,165Top 70%
Overall (All Time): #4,139,872 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10428007 Method for producing unsaturated aldehyde and unsaturated carboxylic acid Byung Yul Choi, Hyun Jong Shin, Young Hyun Choe, Jun Seok Ko, Sang-hun Jeon 2019-10-01