Inventor

YAMASITA HIROSHI

JP3 patents

Patents

3 patents

US6740460B2May 25, 2004

Dry toner

RICOH KK82 citations97

US6125257ASep 26, 2000

Methods and systems for cleaning residual toner from image developing device

RICOH KK35 citations90

US5648842AJul 15, 1997

Methods and systems for cleaning residual toner from image-developing device

RICOH KK20 citations90