Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JH

Joseph Han — 2 Patents in 2017

FLFluidmaster: 2 patents #1 of 4Top 25%
Irvine, CA: #208 of 1,054 inventorsTop 20%
California: #13,043 of 60,394 inventorsTop 25%
Overall (2017): #139,226 of 506,227Top 30%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9650772 Float lock for a flush valve reservoir Michael Lee, Kokon Zhang, Junsheng Chen 2017-05-16
9540798 Drain lock for a flush valve reservoir Junsheng Chen 2017-01-10