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USPTO Patent Rankings Data through Sept 30, 2025
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Sinpei Sugihara — 1 Patent in 2021

MCMax Co.: 1 patents #17 of 49Top 35%
Overall (2021): #256,622 of 548,734Top 50%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10913175 Cartridge Toshio Shimizu 2021-02-09