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USPTO Patent Rankings Data through Sept 30, 2025
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Ryuichi Sugimae — 2 Patents in 2021

ACAcushnet: 2 patents #38 of 90Top 45%
San Diego, CA: #998 of 4,495 inventorsTop 25%
California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #116,848 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11027178 Golf club head with improved inertia performance Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson +4 more 2021-06-08
10926143 Golf club having an adjustable weight assembly Thomas Orrin Bennett, Richard Sanchez, Sang Yi, Stephanie Luttrell 2021-02-23