Takayuki Isawa

2 Patents

• US125911902026

  Image Forming Apparatus Configured to Apply a Transfer Bias to a Transfer Nip Based on a Plurality of Transfer Conditions, Image Forming Method, and Recording Medium

  Ricoh Company, Ltd.

  0 cites
• US117094422023

  Consumable Supply Method, Consumable Container, Image Forming Apparatus, and Refill Consumable Container

  RICOH COMPANY, Ltd.

  0 cites