Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Willis Calkins — 1 Patent in 2021

Google: 1 patents #1,256 of 4,199Top 30%
Sunnyvale, CA: #1,271 of 3,062 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #213,624 of 548,734Top 40%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11121560 Hot-pluggable dual battery with pass through charging Toshak Singhal 2021-09-14 $129,821,000