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

Christopher Kwan Liu — 4 Patents

HEHeadspin: 2 patents #6 of 16Top 40%
ASAirspace Systems: 1 patents #7 of 15Top 50%
Hitachi: 1 patents #17,777 of 28,497Top 65%
Martinez, CA: #62 of 261 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
Christopher Kwan Liu has been granted 4 US patents while listed as an inventor at Headspin. The first was granted in 2017 and the most recent in May 2023. Christopher Kwan Liu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Christopher Kwan Liu in Martinez, CA, US.

Patents per Year

Patents granted per year, 2017 to 2023Bar chart with a peak of 1 patents in 2017.peak 12017: 1 patents20172019: 1 patents20192022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11650263 System for determining power consumption by devices Brien Colwell 2023-05-16
11221375 System for determining power consumption by a test device Brien Colwell 2022-01-11
D865116 Launch head for a net launching device Earl R. Stirling, Jasminder S. Banga, Noah U. Moore, Tyler T. Valiquette, Peter Scheidl +4 more 2019-10-29
9854037 Identifying workload and sizing of buffers for the purpose of volume replication Randall L. Murrish, Steven A. Walker, Oswald Luraghi 2017-12-26