Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryan J. A. Ritchie — 4 Patents in 2018

ACAcushnet: 3 patents #37 of 96Top 40%
DCDunlop Sports Co.: 1 patents #36 of 82Top 45%
Tecate Mission Road, CA: #9 of 188 inventorsTop 5%
California: #4,911 of 60,411 inventorsTop 9%
Overall (2018): #36,773 of 503,207Top 8%
4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10080931 Golf club head Jeff D. Brunski, Darius Cyrulik, Matthew R. Daraskavich, Michael T. Prichard, Michael Cohen 2018-09-25
D823407 Iron golf club head Yu-Jin Song 2018-07-17
10004957 Weighted iron set Michael E. Franz, Marni D. Ines, Jonathan Hebreo 2018-06-26
D821512 Iron golf club head Yu-Jin Song 2018-06-26