Keisuke Ishizumi

7 Patents

• US122986852025

  Image Forming Apparatus for Maintaining Cleaning Performance While Preventing Turn-over of a Contact Member

  Canon Kabushiki Kaisha

  0 cites
• US122875932025

  Image Forming Apparatus Which Supplies Yellow Toner as Protective Agent to Secondary Transfer Member

  Canon Kabushiki Kaisha

  0 cites
• US122103082025

  Method for Correcting Positional Shift of Image

  Canon Kabushiki Kaisha

  0 cites
• US120386972024

  Image Forming Apparatus

  Canon Kabushiki Kaisha

  0 cites
• US119341172024

  Image Forming Apparatus

  Canon Kabushiki Kaisha

  0 cites
• US116565642023

  Image Forming Apparatus Which Includes a Belt Having an Electroconductive Layer

  CANON KABUSHIKI KAISHA

  0 cites
• US115990592023

  Image Forming Apparatus with Condensation Control

  Canon Kabushiki Kaisha

  0 cites