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USPTO Patent Rankings Data through Dec 31, 2025
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Wan-Rone Liou — 3 Patents

QUQuarton: 3 patents #9 of 34Top 30%
Tainan, TW: #1,649 of 4,566 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Wan-Rone Liou has been granted 3 US patents while listed as an inventor at Quarton. The first was granted in 2001 and the most recent in February 2003. Wan-Rone Liou ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Wan-Rone Liou in Tainan, TW.

Patents per Year

Patents granted per year, 2001 to 2003Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012002: 1 patents20022003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6513251 Illuminable laser sight Chao-Chi Huang, Chih-Feng Lin, Yu-Hsi Yang 2003-02-04
6485217 Light adjustment device for laser resonant socket Teng-Yuan Chien, Chao-Chi Huang 2002-11-26
6188469 Laser apparatus and method for speed measurement Tony K. T. Chen, Kuo-Tso Chen, Chao-Chi Huang 2001-02-13

Frequent Collaborators

Chao-Chi Huang3 shared
Chih-Feng Lin1 shared
Tony K. T. Chen1 shared
Kuo-Tso Chen1 shared
Yu-Hsi Yang1 shared
Teng-Yuan Chien1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3