Inventor
KOHTAKI TAKAAKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KOHTAKI TAKAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS6586147B2Jul 1, 2003
Toner and full-color image forming method
CANON KK65 citations94
US6528222B2Mar 4, 2003
Toner
CANON KK49 citations93
US7300733B2Nov 27, 2007
Black toner with defined loss tangent
CANON KK38 citations92
US5660963AAug 26, 1997
Toner for developing electrostatic image
CANON KK23 citations92
US5578408ANov 26, 1996
Toner for developing electrostatic image
CANON KK24 citations92
US5547796AAug 20, 1996
Developer containing insulating magnetic toner flowability-improving agent and inorganic fine powder
CANON KK39 citations92
US5483327AJan 9, 1996
Toner for developing electrostatic image, forming apparatus and process cartridge
CANON KK45 citations92
US5439770AAug 8, 1995
Toner for developing electrostatic image, image forming apparatus and process cartridge
CANON KK24 citations92
US5346792ASep 13, 1994
Color toner
CANON KK26 citations92
US5250382AOct 5, 1993
Toner for developing electrostatic image, and image fixing method
CANON KK31 citations92
US7022449B2Apr 4, 2006
Black toner with defined loss tangent
CANON KK15 citations84
US4904562AFeb 27, 1990
Process for producing encapsulated toner
CANON KK20 citations82
US6365314B1Apr 2, 2002
Toner for developing electrostatic image, image forming method and process cartridge
CANON KK6 citations74
US6187490B1Feb 13, 2001
Resin-coated carrier, two-component developer and image forming method
CANON KK11 citations74
US6090515AJul 18, 2000
Toner for developing electrostatic image, image forming method and process cartridge
CANON KK11 citations74
US5391450AFeb 21, 1995
Toner image heat-fixing method
CANON KK16 citations74
US5102761AApr 7, 1992
Color toner for electrophotography containing a phenolic compound
CANON KK16 citations74
US5858597AJan 12, 1999
Toner for developing electrostatic image containing specified double oxide particles
CANON KK13 citations73
US6783910B2Aug 31, 2004
Toner for developing electrostatic image
CANON KK4 citations63
US6623901B1Sep 23, 2003
Toner for developing electrostatic image
CANON KK2 citations63