Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tsukasa Doi — 4 Patents in 2021

Canon: 4 patents #257 of 3,943Top 7%
Tokyo, JP: #850 of 13,453 inventorsTop 7%
Overall (2021): #38,290 of 548,734Top 7%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11141992 Inkjet printing apparatus, printing method, and storage medium Hiromitsu Yamaguchi, Akitoshi Yamada 2021-10-12 $44,000
11115564 Image processing apparatus, image processing method, and storage medium Hiromitsu Yamaguchi, Akitoshi Yamada 2021-09-07 $47,000
11020965 Printing apparatus and print head heating method Daisuke Kobayashi, Kenichi Oonuki, Satoshi Seki 2021-06-01 $42,000
10946646 Recording apparatus and control method therefor Kenichi Oonuki, Daisuke Kobayashi, Satoshi Seki 2021-03-16 $37,000