Yuya Hirokawa

5 Patents

• US124975302025

  Active Energy Ray Polymerization Initiator, Active Energy Ray Curing Composition, Active Energy Ray Curing Ink, Aqueous Active Energy Ray Curing Ink, Container, Image Forming Device, Image Forming Method, and Method of Manufacturing Active Energy Ray Polymerization Initiator

  Ricoh Company, Ltd.

  0 cites
• US120546232024

  Image Forming Method, Set of Processing Fluid and Ink, and Image Forming Apparatus

  Ricoh Company, Ltd.

  0 cites
• US119046002024

  Printing Method and Printing Device

  RICOH COMPANY, Ltd.

  0 cites
• US116390642023

  Image Forming Method

  RICOH COMPANY, Ltd.

  0 cites
• US115482942023

  Method of Printing Including Applying a Processing Fluid and White Ink to a Substrate and Device for Such Printing

  RICOH COMPANY, Ltd.

  0 cites