SK

Shigemi Kumagai

Canon: 7 patents #7,830 of 19,416Top 45%
Overall (All Time): #685,387 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12360488 Image forming apparatus and circuit board for image forming apparatus 2025-07-15
11747759 Image forming apparatus having a motor to drive a pickup roller 2023-09-05
10723574 Sheet conveyance apparatus, document feeding apparatus, document reading apparatus, and image forming apparatus Toru Miyazawa 2020-07-28
9988227 Sheet conveying apparatus and image forming apparatus 2018-06-05
9568880 Sheet processing apparatus and image forming apparatus having binding processing function Yoshitaka Yamazaki, Hiroshi Saito, Tetsuro Fukusaka 2017-02-14
9134647 Image forming apparatus that corrects developing bias voltage Tetsuro Fukusaka, Hiroshi Saito, Yoshitaka Yamazaki 2015-09-15
8553248 Image forming apparatus Yasuo Fukatsu, Ichiro Sasaki, Hiroaki Tomiyasu, Shunsuke Nishimura, Yuzuru Yano 2013-10-08