Inventor
MATSUBARA AKITOSHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “MATSUBARA AKITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
25 patentsUS6148172ANov 14, 2000
Image forming apparatus having means for enhancing accuracy of conveyance of recording sheets
KONISHIROKU PHOTO IND62 citations96
US4845006AJul 4, 1989
Toner and process for developing electrostatic latent images
KONISHIROKU PHOTO IND59 citations96
US5822666AOct 13, 1998
Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device
KONISHIROKU PHOTO IND23 citations92
US5761573AJun 2, 1998
Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side
KONISHIROKU PHOTO IND24 citations92
US4940644AJul 10, 1990
Toner for development of electrostatic images and image forming method by use thereof
KONISHIROKU PHOTO IND52 citations92
US4795689AJan 3, 1989
Electrostatic image developing toner for use in heat-roller fixing
KONISHIROKU PHOTO IND32 citations92
US5768655AJun 16, 1998
Image forming apparatus and control method thereof
KONISHIROKU PHOTO IND29 citations91
US5047305ASep 10, 1991
Electrostatic-image developing polyester toner with release agent
KONISHIROKU PHOTO IND22 citations91
US6118972ASep 12, 2000
Image forming apparatus and image forming method
KONISHIROKU PHOTO IND21 citations90
US6442368B1Aug 27, 2002
Finishing technology in image forming system
KONISHIROKU PHOTO IND20 citations88
US5826143AOct 20, 1998
Image forming apparatus with two transfer means
KONISHIROKU PHOTO IND17 citations84
US4882258ANov 21, 1989
Toner for development of electrostatic image and electrostatic latent image developer
KONISHIROKU PHOTO IND20 citations80
US6094552AJul 25, 2000
Image forming apparatus for printing images in accordance with at least one of first information and second information
KONISHIROKU PHOTO IND12 citations74
US5920744AJul 6, 1999
Image forming apparatus and method for efficiently forming images even after the occurrence of a jam
KONISHIROKU PHOTO IND13 citations74
US5875372AFeb 23, 1999
Image forming apparatus
KONISHIROKU PHOTO IND13 citations74
US5758204AMay 26, 1998
Duplex image forming apparatus with two image carriers and an image size discriminator
KONISHIROKU PHOTO IND14 citations74
US4935327AJun 19, 1990
Polyester toner with antioxidant for development of electrostatic latent image
KONISHIROKU PHOTO IND17 citations74
US5272038ADec 21, 1993
Electrostatic image developing resin-coated carrier and method for producing the same
KONISHIROKU PHOTO IND7 citations73
US5021317AJun 4, 1991
Electrostatic latent image developer with toner particles surface treated with a polysiloxane having ammonium salt functional groups
KONISHIROKU PHOTO IND18 citations73
US4486559ADec 4, 1984
Toner composition for the development of electrostatic latent images and a method of preparing the same
KONISHIROKU PHOTO IND17 citations73
US4448871AMay 15, 1984
Toner for developing an electrostatically charged image and manufacturing method thereof
KONISHIROKU PHOTO IND10 citations73
US4415644ANov 15, 1983
Electrostatic image developing toner and a method for the production thereof
KONISHIROKU PHOTO IND15 citations73
US6032018AFeb 29, 2000
Sheet guiding member for guiding a sheet having a toner image on its surface and image forming apparatus
KONISHIROKU PHOTO IND3 citations63
US4770969ASep 13, 1988
Heat fusible toners for developing electrostatic images
KONISHIROKU PHOTO IND2 citations62
US5973716AOct 26, 1999
Image forming apparatus
KONISHIROKU PHOTO IND4 citations60