Inventor
TAKIGUCHI TSUYOSHI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “TAKIGUCHI TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
45 patentsUS6465144B2Oct 15, 2002
Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the toner
CANON KK61 citations96
US5998080ADec 7, 1999
Electrostatic image-developing toner and image-forming method
CANON KK65 citations96
US5137796AAug 11, 1992
Magnetic developer, comprising spherical particles magnetic
CANON KK58 citations96
US6596452B2Jul 22, 2003
Magnetic toner and image-forming method making use of the same
CANON KK41 citations93
US6447969B1Sep 10, 2002
Toner and image forming method
CANON KK30 citations93
US5851714ADec 22, 1998
Toner for developing electrostatic image and fixing method
CANON KK38 citations93
US5795693AAug 18, 1998
Carrier for electrophotography, two component-type developer and image forming method
CANON KK25 citations93
US5700617ADec 23, 1997
Toner for developing electrostatic images and charge-controlling agent
CANON KK30 citations93
US5635326AJun 3, 1997
Electrostatic image-developing toner, fine powdery titanium oxide, and hydrophobic fine powdery titanium oxide
CANON KK22 citations93
US5604071AFeb 18, 1997
Toner for developing electrostatic image
CANON KK27 citations93
US5437949AAug 1, 1995
Color toner and process for its production
CANON KK37 citations93
US5139914AAug 18, 1992
Developer for developing electrostatic images and image forming apparatus
CANON KK47 citations93
US7150953B2Dec 19, 2006
Developer
CANON KK22 citations92
US7043175B2May 9, 2006
Image forming method and apparatus
CANON KK28 citations92
US6638674B2Oct 28, 2003
Magnetic toner
CANON KK34 citations92
US6214509B1Apr 10, 2001
Toner and image forming method
CANON KK28 citations92
US5747209AMay 5, 1998
Toner for developing electrostatic images containing aromatic hydroxycarboxylic acid and metal compound of the aromatic hydroxycarboxylic acid
CANON KK31 citations92
US5733702AMar 31, 1998
Image forming method employing toner with external additive
CANON KK21 citations92
US5670288ASep 23, 1997
Carrier for electrophotography, two-component type developer, and image forming method
CANON KK25 citations92
US5534981AJul 9, 1996
Image forming apparatus and developer for developing electrostatic images
CANON KK29 citations92
US5512402AApr 30, 1996
Carrier for electrophotography, two-component type developer, and image forming method
CANON KK36 citations92
US5307122AApr 26, 1994
Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images
CANON KK33 citations92
US5270770ADec 14, 1993
Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
CANON KK21 citations92
US5262267ANov 16, 1993
Magnetic developer, image forming method and image forming apparatus
CANON KK40 citations92
US5250382AOct 5, 1993
Toner for developing electrostatic image, and image fixing method
CANON KK31 citations92
US5180649AJan 19, 1993
Toner having crosslinkages and method of fixing same
CANON KK26 citations92
US6897001B2May 24, 2005
Toner and image forming method
CANON KK13 citations84
US6548218B1Apr 15, 2003
Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same
CANON KK15 citations84
US6316156B1Nov 13, 2001
Carrier for electrophotography, two component type developer, and image forming method
CANON KK16 citations84
US5637432AJun 10, 1997
Toner for developing electrostatic image comprising titanium oxide particles
CANON KK16 citations82
US6641967B2Nov 4, 2003
Carrier for electrophotography, two component type developer, and image forming method
CANON KK7 citations74
US6610454B2Aug 26, 2003
Toner and image forming method
CANON KK11 citations74
US5885742AMar 23, 1999
Carrier for electrophotography, two-component type developer, and image forming method
CANON KK14 citations74
US5802428ASep 1, 1998
Images forming apparatus and developer for developing electrostatic images
CANON KK5 citations74
US5529865AJun 25, 1996
Image forming method using dry color toner and press-contact fixing method
CANON KK12 citations74
US5217836AJun 8, 1993
Toner for developing electrostatic images
CANON KK15 citations74
US5210617AMay 11, 1993
Developer for developing electrostatic images and image forming apparatus
CANON KK18 citations74
US5940662AAug 17, 1999
Charging apparatus and electrophotographic apparatus
CANON KK13 citations73
US5288579AFeb 22, 1994
Developer for developing electrostatic image, image forming apparatus, apparatus unit and facsimile apparatus
CANON KK9 citations72
US5665513ASep 9, 1997
Toner for developing electrostatic charged image
CANON KK5 citations63
US5510223AApr 23, 1996
Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
CANON KK2 citations63
US5422707AJun 6, 1995
Toner for developing electrostatic images, detachable apparatus, image forming apparatus and facsimile apparatus
CANON KK4 citations63
US5392103AFeb 21, 1995
Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
CANON KK3 citations63
US7241547B2Jul 10, 2007
Toner, method for forming image using the toner, and process cartridge
CANON KK0 citations52
US7141343B2Nov 28, 2006
Toner, method for forming image using the toner, and process cartridge
CANON KK0 citations52
JAPAN AVIATION ELECTRON
3 patentsGOVERNOR OF GUNMA KEN
1 patentTAKIGUCHI TSUYOSHI
1 patentShowing the top 50 of 51 patents by PatentIndex Score.