Jumpei Yamaguchi

5 Patents

• US125007772025

  Signature Control Method, Non-transitory Computer-readable Storage Medium for Storing Signature Control Program, and Information Processing Device

  Fujitsu Limited

  0 cites
• US121177552024

  Control Device, Image Forming Apparatus, Image Forming Method, and Storage Medium

  Ricoh Company, Ltd.

  0 cites
• US119716752024

  Image Forming Apparatus in Which Rotational Position of Image Bearer Is Controlled to Reduce Density Unevenness

  Ricoh Company, Ltd.

  0 cites
• US118031352023

  Transfer Device and Image Forming Apparatus Including Photoconductors, a Belt, and Primary Transfer Rollers

  RICOH COMPANY, Ltd.

  0 cites
• US117893832023

  Image Forming Apparatus

  RICOH COMPANY, Ltd.

  0 cites