Takuya Suganuma

5 Patents

• US125336172026

  Filter Holding Device, Developing Device, Process Cartridge, and Image Forming Apparatus

  RICOH COMPANY, Ltd.

  0 cites
• US125085272025

  Filter Holding Device, Developing Device, Process Cartridge, and Image Forming Apparatus

  RICOH COMPANY, Ltd.

  0 cites
• US120504142024

  Developing Device Including Filter Detachable Holder, Process Cartridge, and Image Forming Apparatus

  RICOH COMPANY, Ltd.

  0 cites
• US119341452024

  Developing Apparatus, Developer for Electrophotographic Image Formation, Electrophotographic Image Forming Method, and Electrophotographic Image Forming Apparatus

  Ricoh Company, Ltd.

  0 cites
• US118801602024

  Filter Holding Device, Developing Device, Process Cartridge, Image Forming Apparatus, and Filter

  RICOH COMPANY, Ltd.

  0 cites