Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Walker — 1 Patent in 2018

RARayvio: 1 patents #5 of 10Top 50%
Hayward, CA: #58 of 152 inventorsTop 40%
California: #23,431 of 60,411 inventorsTop 40%
Overall (2018): #256,239 of 503,207Top 55%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9943618 Ultraviolet light source and methods Yitao Liao, Doug Collins, Sheung Yin Li 2018-04-17