Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tomoki Katafuchi — 8 Patents

Canon: 8 patents #7,309 of 19,416Top 40%
Shizuoka, JP: #1,455 of 6,644 inventorsTop 25%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Tomoki Katafuchi has been granted 8 US patents while listed as an inventor at Canon. The first was granted in 2019 and the most recent in August 2025. Tomoki Katafuchi ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Tomoki Katafuchi in Shizuoka, JP.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12399447 Image forming apparatus Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-08-26
12360478 Image forming apparatus Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-07-15
12222672 Image forming apparatus with a transfer device Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-02-11
12216428 Image forming apparatus Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-02-04
12139362 Sheet feeding device and image forming apparatus 2024-11-12
11679946 Sheet feeding apparatus 2023-06-20
11046345 Tipping prevention unit, feeding apparatus, and image forming apparatus Takaaki Kawade 2021-06-29 $50,000
10486921 Sheet accommodating device and image forming apparatus Eiji Wakiyama 2019-11-26 $22,000