Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JC

Joseph K. Chee — 3 Patents

Samsung: 2 patents #37,631 of 75,807Top 50%
University of California: 1 patents #8,022 of 18,278Top 45%
Los Angeles, CA: #3,695 of 12,377 inventorsTop 30%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,644,879 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5671232 Second harmonic generation method and apparatus Hang-woo Lee, Sang Hak Lee, Young Mo Hwang, Yurij V. Tsvetkov, Alexander V. Semenenko +1 more 1997-09-23
5577059 Second harmonic generation method and apparatus Hang-woo Lee, Sang Hak Lee, Young Mo Hwang, Yurij V. Tsvetkov, Alexander V. Semenenko +1 more 1996-11-19
5046184 Method and apparatus for passive mode locking high power lasers Eric C. Cheung, Mo-Nga Kong, Jia-Ming Liu 1991-09-03