Inventor
EGAWA JIRO
JP26 patents
Patents
26 patentsUS5461462AOct 24, 1995
Image forming apparatus having a function that automatically adjusts a control standard value for controlling image quality
TOSHIBA KK47 citations92
US5351107ASep 27, 1994
Image forming apparatus and method having image density correcting function
TOSHIBA KK53 citations92
US5315352AMay 24, 1994
Image forming apparatus for forming an image on an image bearing member
TOSHIBA KK21 citations92
US5266997ANov 30, 1993
Electrophotographic image forming apparatus including means for correcting density drift
TOSHIBA KK24 citations92
US5148218ASep 15, 1992
Image forming apparatus with a humidity detector
TOSHIBA KK36 citations92
US4930087AMay 29, 1990
Image forming apparatus
TOSHIBA KK36 citations92
US4903051AFeb 20, 1990
Image forming apparatus for controlling developer to be replenished in accordance with density of developer
TOSHIBA KK24 citations89
US4763241AAug 9, 1988
Image forming apparatus
TOSHIBA KK24 citations81
US4669717AJun 2, 1987
Recording apparatus
TOSHIBA KK19 citations81
US5414331AMay 9, 1995
Drive circuit for brushless motor
TOSHIBA KK18 citations74
US5321468AJun 14, 1994
Image forming apparatus having inference means and method of manufacturing the same
TOSHIBA KK17 citations74
US5270784ADec 14, 1993
Image forming apparatus having means for measuring the amount of developing agent on the image carrier
TOSHIBA KK17 citations74
US5264870ANov 23, 1993
Image forming apparatus
TOSHIBA KK15 citations74
US5225850AJul 6, 1993
Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit
TOSHIBA KK18 citations74
US5196886AMar 23, 1993
Electrophotographic image forming apparatus including means for correcting density drift
TOSHIBA KK13 citations74
US5159184AOct 27, 1992
Apparatus for controlling the intensity of a laser beam emitted from a semiconductor laser unit
TOSHIBA KK15 citations74
US5136160AAug 4, 1992
Optical unit for use in image-forming apparatus
TOSHIBA KK17 citations74
US5134623AJul 28, 1992
Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit
TOSHIBA KK8 citations74
US5130524AJul 14, 1992
Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit
TOSHIBA KK15 citations74
US4890125ADec 26, 1989
Image forming apparatus for controlling image forming operation in accordance with state of charger
TOSHIBA KK13 citations74
US4885596ADec 5, 1989
Recording apparatus
TOSHIBA KK11 citations73
US4819019AApr 4, 1989
Recording apparatus
TOSHIBA KK11 citations73
US4735408AApr 5, 1988
Recording apparatus
TOSHIBA KK6 citations73
US5424763AJun 13, 1995
Color misregistration-free color image forming apparatus
TOSHIBA KK18 citations72
US5331341AJul 19, 1994
Image forming apparatus
TOSHIBA KK18 citations72
US4876560AOct 24, 1989
Recording apparatus
TOSHIBA KK1 citations62