Inventor

WATANABE YOHICHI

JP4 patents

Patents

4 patents

USD588188SMar 10, 2009

High-speed copying machine with a finisher

RICOH KK7 citations72

USD591339SApr 28, 2009

Laser printer

RICOH KK7 citations71

US7578630B2Aug 25, 2009

Control panel and apparatus using the same

RICOH KK4 citations60

USD494210SAug 10, 2004

Wide digital copying machine

RICOH KK4 citations57