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

Eileen Takeuchi — 8 Patents

Canon: 8 patents #7,309 of 19,416Top 40%
Toride, JP: #96 of 311 inventorsTop 35%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Eileen Takeuchi has been granted 8 US patents while listed as an inventor at Canon. The first was granted in 2019 and the most recent in March 2023. Eileen Takeuchi ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Eileen Takeuchi in Toride, JP.

Patents per Year

Patents granted per year, 2019 to 2023Bar chart with a peak of 3 patents in 2019.peak 32019: 3 patents20192020: 1 patents20202021: 3 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11599034 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Ryoichi Tokimitsu, Naoto Kameyama 2023-03-07
11169453 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Koichi Nakata, Shubun Kujirai, Haruki Mori 2021-11-09 $43,000
11112706 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Kumiko Takizawa, Ikuyo Kuroiwa, Tsuyoshi Shimada, Wataru Kitamura 2021-09-07 $47,000
10969703 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Koichi Nakata, Shubun Kujirai, Haruki Mori 2021-04-06 $38,000
10705440 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Takanori Ueno, Kumiko Takizawa, Ikuyo Kuroiwa, Tsuyoshi Shimada, Wataru Kitamura 2020-07-07 $23,000
10488770 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Ikuyo Kuroiwa, Wataru Kitamura, Kumiko Takizawa, Tsuyoshi Shimada 2019-11-26 $22,000
10353340 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Ikuyo Kuroiwa, Kumiko Takizawa, Tsuyoshi Shimada, Wataru Kitamura 2019-07-16 $17,000
10241429 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Tsuyoshi Shimada, Kumiko Takizawa, Ikuyo Kuroiwa, Wataru Kitamura, Kan Tanabe +1 more 2019-03-26 $24,000