Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ray Tsai — 4 Patents

Google: 1 patents #14,887 of 22,993Top 65%
Taipei, TW: #5,081 of 24,966 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ray Tsai has been granted 4 US patents while listed as an inventor at Google. The first was granted in 2003 and the most recent in September 2023. Ray Tsai ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ray Tsai in Taipei, TW.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11748982 Modular system for automatic hard disk processing and verification Randall First 2023-09-05 $82,703,000
8889415 Method for expansion of human corneal endothelial cells 2014-11-18
7347876 Method for expansion of epithelial stem cells 2008-03-25
6533813 Intraocular lens that may accommodate automatically CHWEN-YIH LIN 2003-03-18