Inventor
SOHMIYA NORIMASA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “SOHMIYA NORIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
16 patentsUS6801742B1Oct 5, 2004
Method and apparatus for producing duplex prints and image forming system using the same
RICOH KK81 citations96
US5394231AFeb 28, 1995
Image forming apparatus capable of forming an erasable image
RICOH KK105 citations96
US6574448B2Jun 3, 2003
Image forming apparatus and method for improving image quality of double sided prints
RICOH KK24 citations92
US5559590ASep 24, 1996
Image forming apparatus which cleans a transfer belt by applying a bias voltage
RICOH KK47 citations92
US5499078AMar 12, 1996
Charge roller and image forming apparatus using the same
RICOH KK35 citations92
US5038175AAug 6, 1991
Image density control method
RICOH KK33 citations92
US5006896AApr 9, 1991
Image density control method for an image forming apparatus
RICOH KK37 citations92
US7003251B2Feb 21, 2006
Image forming method having transfer temperature difference and apparatus for the same
RICOH KK12 citations84
US6983117B2Jan 3, 2006
Image forming apparatus configured for double sided printing
RICOH KK12 citations84
US7039349B2May 2, 2006
Image forming apparatus transferring toner images to both surfaces of a recording medium
RICOH KK15 citations83
US4962394AOct 9, 1990
Toner density control device for an image recorder
RICOH KK22 citations82
US5570162AOct 29, 1996
Charge depositing member and image forming apparatus using the same
RICOH KK14 citations73
US4032463AJun 28, 1977
Liquid developer for use in electrostatic photography and preparation of same
RICOH KK19 citations73
US7054587B2May 30, 2006
Image forming apparatus for recording on two sides in a single pass
RICOH KK10 citations72
US7295795B2Nov 13, 2007
Image forming apparatus and an impurity collecting device associated with registration rollers
RICOH KK4 citations63
US7197269B2Mar 27, 2007
Method, system and apparatus for transferring toner images to both sides of a recording medium
RICOH KK5 citations63