P

Inventor

FUJITA HIROKAZU

JP22 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

15 patents
US7755809B2Jul 13, 2010

Laser scanning optical system and image forming apparatus

SHARP KK24 citations92
US7049756B2May 23, 2006

Capacitive load driving circuit, capacitive load driving method, and apparatus using the same

SHARP KK35 citations92
US5572309ANov 5, 1996

Image forming apparatus with impedance detection

SHARP KK9 citations73
US5245438ASep 14, 1993

Image formation apparatus having selective erasing capability

SHARP KK12 citations73
US6049345AApr 11, 2000

Image forming apparatus selectively charging toner using doctor blade

SHARP KK10 citations71
US7295359B2Nov 13, 2007

Light beam scanner and image forming apparatus

SHARP KK4 citations63
US5585893ADec 17, 1996

Image forming apparatus

SHARP KK6 citations63
US7865119B2Jan 4, 2011

Color registration method and image forming apparatus

SHARP KK5 citations62
US5825384AOct 20, 1998

Image forming apparatus including means for controlling the flight of toner or visualizing particles in accordance with an image signal

SHARP KK4 citations62
US6106104AAug 22, 2000

Image forming apparatus

SHARP KK3 citations61
US5606402AFeb 25, 1997

Electrostatic image former with improved toner control grid

SHARP KK6 citations59
US5546169AAug 13, 1996

Copying machine with image superposition capability

SHARP KK1 citations51
US7221896B2May 22, 2007

Fixing device for fixing an unfixed developing agent on a recording medium and image forming apparatus including the same

SHARP KK0 citations41
US6601946B1Aug 5, 2003

Image forming apparatus in which toner is removed by changing electric field between opposing electrode and control electrode

SHARP KK0 citations41
US6283583B1Sep 4, 2001

Image forming apparatus having float electrode provided to make uniform electric field

SHARP KK0 citations41

YAMAHA MOTOR CO LTD

3 patents

HITACHI LTD

2 patents

CHEVRON ORONITE CO

1 patent

KINOSHITA TOMOHIRO

1 patent