P

Inventor

BANNAI KAZUNORI

JP55 patents
⚠️ This page may combine multiple inventors who share the name “BANNAI KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

37 patents
US5847845ADec 8, 1998

Book document reading device

RICOH KK58 citations96
US5610720AMar 11, 1997

Book document reading device having a page turning capability

RICOH KK65 citations96
US5471277ANov 28, 1995

Book document reading device having a page turning capability

RICOH KK67 citations96
US5390033AFeb 14, 1995

Method and apparatus for turning over pages of book-original

RICOH KK49 citations96
US5325213AJun 28, 1994

Image reader and book document reader with a page turning capability for an image forming apparatus

RICOH KK54 citations96
US5297376AMar 29, 1994

Finisher for an image forming apparatus

RICOH KK54 citations96
US4933727AJun 12, 1990

Color recording apparatus

RICOH KK72 citations96
US5316282AMay 31, 1994

Sheet feeding and separating device for image forming equipment

RICOH KK63 citations95
US5270783ADec 14, 1993

Image forming equipment having improved toner sensing

RICOH KK66 citations95
US5219154AJun 15, 1993

Sheet feeding and separating device for image forming equipment

RICOH KK61 citations95
US5121170AJun 9, 1992

Device for transporting sheet members using an alternating voltage

RICOH KK72 citations95
US5227842AJul 13, 1993

Electrophotographic image forming apparatus which controls developer bias based on image irregularity

RICOH KK62 citations94
US6891559B1May 10, 2005

Optical scanning apparatus and an image forming apparatus

RICOH KK19 citations93
US6697092B2Feb 24, 2004

Color image forming apparatus with color image shift correction

RICOH KK20 citations93
US6075624AJun 13, 2000

Method and apparatus for turning over pages of book-original

RICOH KK22 citations93
US5583662ADec 10, 1996

Book document reading device having a page turning capability

RICOH KK49 citations93
US5315322AMay 24, 1994

Image forming apparatus with anti-banding implementation

RICOH KK40 citations93
US5255904AOct 26, 1993

Feeder or image forming apparatus

RICOH KK35 citations93
US5224693AJul 6, 1993

Multistage paper feeding/conveying apparatus and method that uses electro static forces

RICOH KK26 citations93
US5055860AOct 8, 1991

Image forming apparatus

RICOH KK22 citations93
US7215349B2May 8, 2007

Method and apparatus for image forming capable of effectively avoiding an adverse temperature effect to an optical scanning system

RICOH KK21 citations92
US6786590B2Sep 7, 2004

Recording-medium conveying device conveying a recording medium on a conveying belt charged with a positive charge and a negative charge alternately

RICOH KK35 citations92
US5689348ANov 18, 1997

Book document reading device

RICOH KK25 citations92
US5682227AOct 28, 1997

Royalty accounting system for a book copier

RICOH KK41 citations92
US5583607ADec 10, 1996

Image forming apparatus having book reading and page turning capabilities

RICOH KK33 citations92
US5160969ANov 3, 1992

Image forming apparatus having a separate black developer stored for a color image

RICOH KK52 citations91
US7697184B2Apr 13, 2010

Optical scanning device and image forming apparatus

RICOH KK13 citations84
US7450146B2Nov 11, 2008

Optical scanning device including plural light shielding units provided at different heights and image forming apparatus

RICOH KK10 citations84
US7436425B2Oct 14, 2008

Optical writing apparatus and image forming apparatus

RICOH KK15 citations84
US7050731B2May 23, 2006

Image forming apparatus including transfer belt having uneven thickness and position shift detection and correction method

RICOH KK12 citations84
US6836633B2Dec 28, 2004

Optical scanning device and image forming apparatus including the optical scanning device

RICOH KK17 citations84
US7619643B2Nov 17, 2009

Method and apparatus for image forming capable of effectively avoiding an adverse temperature effect to an optical scanning system

RICOH KK6 citations74
US6873346B2Mar 29, 2005

Image forming apparatus

RICOH KK11 citations74
US4987428AJan 22, 1991

Color image forming apparatus

RICOH KK9 citations74
US7264347B2Sep 4, 2007

Recording-medium conveying device conveying a recording medium on a conveying belt charged with a positive charge and a negative charge alternately

RICOH KK8 citations73
US7589756B2Sep 15, 2009

Optical scanning device, image forming apparatus, optical scanning correcting method, and image forming method

RICOH KK4 citations63
US7705872B2Apr 27, 2010

Optical writing device and image forming apparatus

RICOH KK5 citations62

RICOH CO LTD

8 patents

TAKENAKA KOHTA

2 patents

FUJIWARA HIDEHIKO

1 patent

KOBAYASHI SHUN

1 patent

NARITA SUSUMU

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.