YK

Yuji Kawaguchi

Canon: 6 patents #126 of 4,172Top 4%
Overall (2020): #20,888 of 565,922Top 4%
6
Patents 2020

Issued Patents 2020

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10866533 Image forming apparatus Takahiro Kawamoto, Kazuhiro Okubo, Masanori Tanaka, Jun Miura 2020-12-15
10656553 Image forming apparatus capable of efficiently reducing the influence of discharge products adhering to the surface of an image bearing member Takayuki Namiki 2020-05-19
10627749 Image forming apparatus having transfer power source that applies voltage to secondary transfer member to perform secondary transfer of toner images from electrically conductive intermediate transfer belt to recording materials, toner images on image carrier primarily transferred to belt by transfer power source and contact member in which an electric potential is formed by constant-voltage element, transfer power source and auxiliary power source Shinji Katagiri, Masaru Ohno, Tsuguhiro Yoshida, Takeo Kawanami, Taro Minobe +1 more 2020-04-21
10571823 Image forming apparatus having recovery of toner by developing member, control of charging voltage and charging member cleaning operation Kazuhiro Okubo, Masanori Tanaka, Takahiro Kawamoto, Jun Miura 2020-02-25
10558138 Image forming apparatus Masanori Tanaka, Kazuhiro Okubo, Takahiro Kawamoto, Jun Miura 2020-02-11
10539906 Image forming apparatus to acquire image bearing member surface potentials Kazuhiro Okubo, Takahiro Kawamoto, Masanori Tanaka, Jun Miura 2020-01-21