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

Robert Zhou — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
XCXiamen Solex High-Tech Industries Co.: 2 patents #52 of 149Top 35%
MIMasco Corporation Of Indiana: 1 patents #151 of 235Top 65%
University of California: 1 patents #8,022 of 18,278Top 45%
Monterey Park, CA: #65 of 275 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert Zhou has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2012 and the most recent in November 2019. Robert Zhou ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert Zhou in Monterey Park, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10475352 Systems and methods for facilitating rehabilitation therapy Steven C. Cramer, Jessica M. Cassidy, Vu Le, Alison L. McKenzie, Walt Scacchi +4 more 2019-11-12
D696383 Handheld shower Michael Miller 2013-12-24
8607819 Water saving device and method of using same Tianyu Chen, Renzhong Li 2013-12-17
8113442 Hand held shower with a button switching mechanism for switching spray patterns Renzhong Li 2012-02-14