Inventor
HIRUMA TETSUYA
JP3 patents
Patents
3 patentsUS7377627B2May 27, 2008
Ink cartridge, housing therefor, ink bag, ink-jet recording apparatus, ink container, and image-forming apparatus
RICOH KK13 citations80
US7690757B2Apr 6, 2010
Head capping member, head maintenance or recovery device, device for ejecting a liquid drop, and image forming apparatus
RICOH KK4 citations59
US7654634B2Feb 2, 2010
Image forming method and apparatus with interlocking inkjet printing operations
RICOH KK5 citations56