Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KU

Kensuke Umeda — 52 Patents

Canon: 52 patents #680 of 19,416Top 4%
Yokohama, JP: #1,258 of 49,234 inventorsTop 3%
Overall (All Time): #50,240 of 4,157,543Top 2%
52 Patents All Time
Kensuke Umeda has been granted 52 US patents while listed as an inventor at Canon. The first was granted in 2014 and the most recent in October 2025. Kensuke Umeda ranks #50,240 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Kensuke Umeda in Yokohama, JP.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 10 patents in 2023.peak 102014: 2 patents20142015: 1 patents2016: 2 patents20162018: 3 patents2019: 2 patents20192020: 5 patents2021: 3 patents20212022: 8 patents2023: 10 patents20232024: 9 patents2025: 7 patents2025

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12455525 Image forming apparatus Shirohisa Kobayashi, Toshihiko Takayama, Ai Suzuki 2025-10-28
12443129 Image forming apparatus with simplified developer replenishment structure and that is user-friendly Kazuhiro Funatani, Masatake Tanaka, Kentaro Yamawaki, Kenichi Iida, Shirohisa Kobayashi +2 more 2025-10-14
12411446 Image forming apparatus having a toner replenishment operation Shinsuke Kobayashi, Kazuhiro Funatani, Takanori Watanabe, Ai Suzuki 2025-09-09
12405562 Image forming apparatus having toner replenishment container control Ryo Morihara 2025-09-02
12313994 Image forming apparatus Shinsuke Kobayashi, Ai Suzuki, Kazuhiro Funatani 2025-05-27
12298700 Image forming apparatus controlling image forming and sheet interval operations Ai Suzuki, Kazuhiro Funatani, Shinsuke Kobayashi 2025-05-13
12265354 Image forming apparatus Kazuhiro Funatani, Shinsuke Kobayashi, Takanori Watanabe, Ai Suzuki 2025-04-01
12140899 Image forming apparatus Ai Suzuki, Masashi Tanaka, Shoichiro Ikegami, Sho Taguchi 2024-11-12
12140885 Image forming apparatus including brush for surface of developer supplying member Takanori Watanabe, Shinsuke Kobayashi, Kazuhiro Funatani, Ai Suzuki 2024-11-12
12124183 Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member Shinsuke Kobayashi, Ai Suzuki, Kazuhiro Funatani, Shuichi Tetsuno, Toshihiko Takayama +1 more 2024-10-22
12050419 Image forming apparatus Ai Suzuki, Osamu Sasaoka, Shinsuke Kobayashi 2024-07-30
12032324 Image forming apparatus having toner replenishment container control Ryo Morihara 2024-07-09
12025933 Heating device and image forming apparatus Shinsuke Kobayashi, Ai Suzuki, Kazuhiro Funatani 2024-07-02
11960232 Image forming apparatus controlling condition of charging brush Ai Suzuki, Kazuhiro Funatani, Shinsuke Kobayashi 2024-04-16
11947280 Image forming apparatus Kazuhiro Funatani, Masatake Tanaka, Kentaro Yamawaki, Kenichi Iida, Shinsuke Kobayashi +2 more 2024-04-02
11886141 Image forming apparatus having a toner replenishment operation Shinsuke Kobayashi, Kazuhiro Funatani, Takanori Watanabe, Ai Suzuki 2024-01-30
11841655 Image heating device Masashi Tanaka, Shoichiro Ikegami, Sho Taguchi, Ai Suzuki, Hikaru Osada +1 more 2023-12-12
11829105 Image forming method and image forming apparatus Ai Suzuki, Kazuhiro Funatani, Shinsuke Kobayashi, Masamichi Sato, Masatake Tanaka 2023-11-28
11782365 Image forming apparatus Ai Suzuki, Osamu Sasaoka, Shinsuke Kobayashi 2023-10-10
11768456 Image forming apparatus Shinsuke Kobayashi, Ai Suzuki, Kazuhiro Funatani 2023-09-26
11747753 Image forming apparatus configured to control the voltage applied to the transfer member to suppress image defects Shinsuke Kobayashi, Kazuhiro Funatani, Takanori Watanabe, Ai Suzuki 2023-09-05
11720046 Image forming apparatus with developer collection Kazuhiro Funatani, Shinsuke Kobayashi, Takanori Watanabe, Ai Suzuki 2023-08-08
11703775 Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member Shinsuke Kobayashi, Ai Suzuki, Kazuhiro Funatani, Shuichi Tetsuno, Toshihiko Takayama +1 more 2023-07-18
11656568 Image forming apparatus and image processing apparatus with multiple operation modes that set first and second gradation values Ai Suzuki, Shinsuke Kobayashi 2023-05-23
11624989 Image forming apparatus to supply toner Shinsuke Kobayashi, Ai Suzuki 2023-04-11