Inventor
BISAIJI TAKASHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “BISAIJI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
27 patentsUS6091922AJul 18, 2000
Image forming apparatus having decreased dislocation of toner images
RICOH KK40 citations96
US5761594AJun 2, 1998
Image forming apparatus
RICOH KK57 citations96
US5701566ADec 23, 1997
Image transferring device for an image forming apparatus
RICOH KK43 citations96
US5270783ADec 14, 1993
Image forming equipment having improved toner sensing
RICOH KK66 citations95
US5227842AJul 13, 1993
Electrophotographic image forming apparatus which controls developer bias based on image irregularity
RICOH KK62 citations94
USRE38206EJul 29, 2003
Image transferring device for an image forming apparatus
RICOH KK18 citations92
US6434354B2Aug 13, 2002
Image forming apparatus
RICOH KK17 citations92
US6259879B1Jul 10, 2001
Image forming apparatus which forms an inconspicuous dot pattern prior to image transfer
RICOH KK18 citations92
US6061543AMay 9, 2000
Image forming apparatus which prevents image quality deterioration due to plastic deformation
RICOH KK36 citations92
US5913092AJun 15, 1999
Picture design forming system and method toner for forming an image, transferring substance for forming a picture design
RICOH KK48 citations92
US5666622ASep 9, 1997
Image transferring device and medium separating device for an image forming apparatus
RICOH KK35 citations92
US5461461AOct 24, 1995
Image transferring device and medium separating device for an image forming apparatus
RICOH KK40 citations92
US5410339AApr 25, 1995
Image forming apparatus
RICOH KK20 citations92
US5107302AApr 21, 1992
Image density control device for an image forming apparatus
RICOH KK29 citations92
US6185007B1Feb 6, 2001
Image forming apparatus
RICOH KK38 citations91
US5402220AMar 28, 1995
Fixing device for an image forming apparatus featuring a fixing belt and heating control
RICOH KK49 citations91
US5887218AMar 23, 1999
Color image forming apparatus having toner and transfer sheet bearing members and image forming method thereof
RICOH KK24 citations90
US5987290ANov 16, 1999
Image forming method and forming apparatus using the same
RICOH KK7 citations74
US5729808AMar 17, 1998
Image forming method and apparatus which controls the discharging of toner images before transfer
RICOH KK10 citations74
US5471282ANov 28, 1995
Deposited toner quantity measuring method and image forming apparatus using the same
RICOH KK14 citations74
US5371579ADec 6, 1994
Pretransfer charging device for image forming equipment
RICOH KK14 citations74
US4678318AJul 7, 1987
Image forming apparatus
RICOH KK16 citations74
US5278613AJan 11, 1994
Image forming apparatus with transfer medium and electrometer positioned opposite the transfer region
RICOH KK10 citations73
US5258248ANov 2, 1993
Image density control method for an image forming apparatus
RICOH KK12 citations72
US4875079AOct 17, 1989
Toner density control for multicolor electrophotographic copier
RICOH KK8 citations72
US5926678AJul 20, 1999
Image forming method and apparatus which controls the discharging of toner images before transfer
RICOH KK2 citations63
US4837597AJun 6, 1989
Method and apparatus applicable to multicolor developing device for detecting image density
RICOH KK4 citations63