Inventor
WAKAHARA SHIROU
JP28 patents
Patents
28 patentsUS6030069AFeb 29, 2000
Image forming apparatus, using suction to keep distance between recording medium and control electrode uniform while forming image
SHARP KK23 citations92
US5966151AOct 12, 1999
Image forming apparatus
SHARP KK33 citations92
US6285382B1Sep 4, 2001
Recording medium and image forming apparatus for forming image thereon
SHARP KK15 citations83
US6198492B1Mar 6, 2001
Control electrode cleaning device
SHARP KK8 citations73
US5874973AFeb 23, 1999
Image forming apparatus that controls flight of developer particles at the start and/or end of an image forming operation
SHARP KK9 citations73
US5781218AJul 14, 1998
Image forming apparatus
SHARP KK13 citations73
US5572309ANov 5, 1996
Image forming apparatus with impedance detection
SHARP KK9 citations73
US5459555AOct 17, 1995
Electronic image forming apparatus
SHARP KK7 citations71
US6203141B1Mar 20, 2001
Image forming apparatus having a control electrode support structure for fine adjustment of the control electrode in a region of the gates
SHARP KK4 citations62
US6198900B1Mar 6, 2001
Charge supply device for charging bodies in image forming apparatus and the like
SHARP KK4 citations62
US6170935B1Jan 9, 2001
Image forming apparatus that forms image on a medium by jumping developer
SHARP KK6 citations62
US6123418ASep 26, 2000
Image forming apparatus using jumping toner/developer
SHARP KK2 citations62
US6102527AAug 15, 2000
Image forming apparatus
SHARP KK4 citations62
US6079818AJun 27, 2000
Image forming apparatus forming images using jumping toner/developer
SHARP KK3 citations62
US6039435AMar 21, 2000
Image forming apparatus with restructured image data
SHARP KK4 citations62
US6015208AJan 18, 2000
Driving circuit for a control electrode provided in an image forming apparatus
SHARP KK4 citations62
US5933176AAug 3, 1999
Image forming apparatus with reduced toner transfer time
SHARP KK3 citations62
US6606471B2Aug 12, 2003
Image forming apparatus
SHARP KK4 citations61
US5598252AJan 28, 1997
Electronic image forming apparatus with reduced residual carrier and toner attraction
SHARP KK2 citations60
US6439788B1Aug 27, 2002
Image forming apparatus
SHARP KK2 citations59
US6042220AMar 28, 2000
Image forming device forming an image on a recording medium using flying developer
SHARP KK2 citations59
US6330408B1Dec 11, 2001
Transfer apparatus
SHARP KK0 citations51
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
US6270195B1Aug 7, 2001
Image forming apparatus using gates and electrodes for selectively passing toner
SHARP KK0 citations41
US6250741B1Jun 26, 2001
Image forming apparatus using gates and electrodes for selectively passing toner
SHARP KK0 citations41
US6056390AMay 2, 2000
Image forming apparatus wherein the velocity of the toner supporting medium is higher than recording medium transport velocity
SHARP KK0 citations41
US6099110AAug 8, 2000
Image forming apparatus
SHARP KK0 citations40