Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Saburo Masugi — 2 Patents in 2021

NINikon: 2 patents #31 of 257Top 15%
Overall (2021): #115,933 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11099366 Zoom lens, optical apparatus and method for manufacturing the zoom lens 2021-08-24
11042006 Zoom lens, optical apparatus and method for manufacturing the zoom lens 2021-06-22