Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ryosuke Hirokawa — 1 Patent in 2021

Canon: 1 patents #1,677 of 3,943Top 45%
Overall (2021): #278,437 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11001053 Ink jet recording method and ink jet recording apparatus Mitsutoshi Noguchi, Toru Ohnishi, Shingo Okushima, Yoichi Takada 2021-05-11