Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RI

Rin Ishikawa — 13 Patents

Canon: 13 patents #5,080 of 19,416Top 30%
Ushiku, JP: #25 of 241 inventorsTop 15%
Overall (All Time): #368,264 of 4,157,543Top 9%
13 Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11947300 Cutting apparatus and image forming system Atsushi Takada, Tadashi Iwakawa 2024-04-02
11409221 Cutting apparatus and image forming system Atsushi Takada, Tadashi Iwakawa 2022-08-09
RE49143 Image forming apparatus Kiyoshi Oyama 2022-07-19
11340551 Frame of image forming apparatus and image forming apparatus Takuya Matsumura 2022-05-24
10935919 Image forming apparatus Akira Hamano, Takashi Tsujimura, Yuichiro Imai, Saimon Gokyu 2021-03-02
10452015 Method of controlling target speed of rotating member used in image forming apparatus Tadashi Iwakawa, Koichi Taniguchi, Akira Hamano 2019-10-22
10372078 Bearing with projections projected in radial direction from outer surface and from an inner surface thereof and image forming apparatus Kazuyuki Narita, Tsuyoshi Tajiri, Kentaro Yamana 2019-08-06
10146163 Method of controlling target speed of rotating member used in image forming apparatus Tadashi Iwakawa, Koichi Taniguchi, Akira Hamano 2018-12-04
9720352 Image forming apparatus with accurate positioning of sensor unit Tsuyoshi Tajiri 2017-08-01
9551972 Image forming apparatus Jun Nakamura 2017-01-24
9535365 Image forming apparatus Kiyoshi Oyama 2017-01-03
9477193 Image forming apparatus Kazuyuki Iwamoto, Takuma Nakamura, Tsuyoshi Tajiri, Hiroyuki Eda 2016-10-25
8794413 Driving device and image forming apparatus 2014-08-05