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USPTO Patent Rankings Data through Sept 30, 2025
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So Morimoto — 4 Patents in 2021

Sony: 4 patents #270 of 3,148Top 9%
Saitama, CA: #4 of 13 inventorsTop 35%
Overall (2021): #39,919 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D934345 Controller add-on device Arthur Kwun 2021-10-26
D918171 Headphone Tamie Nakayama, Pietro Russomanno, Lukas Fuchs 2021-05-04
D912650 Earphone 2021-03-09
D909991 Headphone Tamie Nakayama, Pietro Russomanno, Lukas Fuchs 2021-02-09