Inventor
ISHIDA HARUHIKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA HARUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
9 patentsUS5469248ANov 21, 1995
Image forming apparatus having means for applying a common transfer bias voltage to first and second transfer rollers
TOSHIBA KK42 citations92
US4611901ASep 16, 1986
Electrophotographic method and apparatus
TOSHIBA KK41 citations92
US7991317B2Aug 2, 2011
Automatic job template generating apparatus and automatic job template generation method
TOSHIBA KK17 citations84
US4607934AAug 26, 1986
Electrophotography using a photosensitive drum with multi-photosensitive layers sensitive to different wave lengths
TOSHIBA KK8 citations74
US6690483B1Feb 10, 2004
Color image forming apparatus
TOSHIBA KK6 citations73
US4645330AFeb 24, 1987
Electrophotographic device
TOSHIBA KK5 citations63
US7982894B2Jul 19, 2011
Digital multiple apparatus
TOSHIBA KK1 citations52
US7356291B2Apr 8, 2008
Developing unit, image forming apparatus method that supplies inverse transfer preventing agent with inverse polarity
TOSHIBA KK0 citations52
US7561839B2Jul 14, 2009
Image forming apparatus and image forming method
TOSHIBA KK0 citations41
MITSUBISHI ELECTRIC CORP
5 patentsUS5650697AJul 22, 1997
Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit
MITSUBISHI ELECTRIC CORP48 citations90
US5959428ASep 28, 1999
Starting control unit for a refrigeration machine
MITSUBISHI ELECTRIC CORP18 citations76
US9973998B2May 15, 2018
Relay device and air conditioning system
MITSUBISHI ELECTRIC CORP2 citations72
US10634376B2Apr 28, 2020
System and method for controlling an HVAC system
MITSUBISHI ELECTRIC CORP2 citations70
US10117155B2Oct 30, 2018
Relay device and air conditioning system
MITSUBISHI ELECTRIC CORP0 citations51
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4727395AFeb 23, 1988
Reverse developing image forming apparatus with small drum
TOKYO SHIBAURA ELECTRIC CO84 citations96
US4664504AMay 12, 1987
Image forming apparatus
TOKYO SHIBAURA ELECTRIC CO32 citations92
US4843424AJun 27, 1989
Reverse developing image forming apparatus with disturbing means
TOKYO SHIBAURA ELECTRIC CO17 citations82
US4647181AMar 3, 1987
Electrophotographic method and apparatus using alternating current corona charging
TOKYO SHIBAURA ELECTRIC CO6 citations62