Inventor
HATAKEYAMA TAKASHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “HATAKEYAMA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
14 patentsUS7764908B2Jul 27, 2010
Developing unit and developer stirring and transporting method
TOSHIBA KK8 citations84
US5380394AJan 10, 1995
Image forming apparatus
TOSHIBA KK19 citations73
US7831181B2Nov 9, 2010
Developing device
TOSHIBA KK4 citations63
US7650100B2Jan 19, 2010
Development apparatus, image forming apparatus, and developer transfer method
TOSHIBA KK5 citations63
US7426358B2Sep 16, 2008
Image forming apparatus and method having a cleanerless image forming unit
TOSHIBA KK2 citations63
US7383002B2Jun 3, 2008
Developing device, process cartridge and image forming apparatus
TOSHIBA KK5 citations63
US7349643B2Mar 25, 2008
Image forming apparatus and image forming method having a cleaner and a paper detecting unit
TOSHIBA KK2 citations63
US4803502AFeb 7, 1989
Image formation cartridge and image forming apparatus using the same
TOSHIBA KK3 citations62
US8045897B2Oct 25, 2011
Developing device
TOSHIBA KK0 citations52
US8005405B2Aug 23, 2011
Developing unit and developer stirring and transporting method
TOSHIBA KK0 citations52
US7783228B2Aug 24, 2010
Developing unit and developer stirring/transporting method
TOSHIBA KK0 citations52
US7689147B2Mar 30, 2010
Developing apparatus and developer collecting method
TOSHIBA KK0 citations52
US7627261B2Dec 1, 2009
Image forming apparatus and image forming method having control of cleaning depending on number of transferred images
TOSHIBA KK0 citations52
US8000637B2Aug 16, 2011
Supplying and discharging developer in an image forming apparatus, process cartridge and developing device
TOSHIBA KK0 citations42
TOSHIBA TEC KK
5 patentsUS7206523B2Apr 17, 2007
Color image forming apparatus and method using detachable process units
TOSHIBA TEC KK13 citations84
US6915093B2Jul 5, 2005
Image forming apparatus having a guide device for guiding a brush roller
TOSHIBA TEC KK12 citations83
US6424813B1Jul 23, 2002
Image forming apparatus having a developing roller and a developing device to minimize image carrier wear
TOSHIBA TEC KK10 citations73
US7197267B2Mar 27, 2007
Image forming apparatus and control method using a two-component developer
TOSHIBA TEC KK1 citations52
US6542714B1Apr 1, 2003
Image forming method and apparatus that uses an external sheet discharge tray for double-side copying
TOSHIBA TEC KK0 citations41
HATAKEYAMA TAKASHI
4 patentsUS8238798B2Aug 7, 2012
Developing device and developing method for image forming apparatus
HATAKEYAMA TAKASHI0 citations50
US8195071B2Jun 5, 2012
Developing device
HATAKEYAMA TAKASHI0 citations50
US8131186B2Mar 6, 2012
Developing device
HATAKEYAMA TAKASHI0 citations50
US8112017B2Feb 7, 2012
Developing unit and developer stirring and transporting method
HATAKEYAMA TAKASHI0 citations50