Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Keisuke Kitajima — 3 Patents

Canon: 3 patents #11,241 of 19,416Top 60%
Overall (All Time): #1,389,750 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11619898 Image forming apparatus for controlling transfer voltage based on pattern Kazuhisa Koizumi, Tetsuhiro Yoshimoto, Hironobu Konno, Takeyuki Suda, Takaaki Doshida +2 more 2023-04-04
10211675 Wireless power feeding system, method of controlling the same, program, and storage medium Manabu Hada, Minoru Akazawa 2019-02-19
8879075 Setting apparatus, inspection system, setting method of inspection processing, and program 2014-11-04