Yuuki Tsuchiya

5 Patents

• US122226642025

  Developing Device, Process Cartridge, and Image Forming Apparatus Including an Entrance Seal Which Contacts an Image Bearer

  RICOH COMPANY, Ltd.

  0 cites
• US121893312025

  Positioning Member, Holding Device, Process Cartridge, and Image Forming Apparatus

  RICOH COMPANY, Ltd.

  0 cites
• US120334442024

  Knocking Determination Device and Knocking Control Device

  DENSO CORPORATION

  0 cites
• US118358872023

  Developer Accommodating Device with Screw Including Screw Blade as Rotator, Developing Device, Process Cartridge, and Image Forming Apparatus

  RICOH COMPANY, Ltd.

  0 cites
• US118138742023

  Process Cartridge and Image Forming Apparatus Incorporating Same

  RICOH COMPANY, Ltd.

  0 cites