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USPTO Patent Rankings Data through Dec 31, 2025
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Patrick K. Ching — 2 Patents in 2018

Toyota: 2 patents #683 of 3,405Top 25%
San Jose, CA: #1,359 of 5,991 inventorsTop 25%
California: #12,239 of 60,411 inventorsTop 25%
Overall (2018): #114,315 of 503,207Top 25%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D827143 Blind aid device Rajiv Dayal, Christopher P. Lee, Douglas A. Moore, Tiffany L. Chen, Nagisa Adachi +1 more 2018-08-28
10012505 Wearable system for providing walking directions Rajiv Dayal, Tiffany L. Chen, Brandon D. Northcutt 2018-07-03 $417,000