Inventor
KUROSE KATSUNORI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “KUROSE KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CO LTD
21 patentsUS6022661AFeb 8, 2000
Toner for developing electrostatic latent image
MINOLTA CO LTD57 citations96
US6524762B2Feb 25, 2003
Mono-component developing device, toner for the same and image forming apparatus
MINOLTA CO LTD20 citations93
US6335138B1Jan 1, 2002
Production method of toner
MINOLTA CO LTD26 citations93
US6100000AAug 8, 2000
Developer comprising toner and/or carrier having specified average degree of roundness and specified standard deviation of degree of roundness
MINOLTA CO LTD29 citations93
US6063537AMay 16, 2000
Non-magnetic toner for developing electrostatic latent image
MINOLTA CO LTD21 citations93
US5843605ADec 1, 1998
Yellow developer
MINOLTA CO LTD19 citations93
US5981132ANov 9, 1999
Non-magnetic mono-component developer
MINOLTA CO LTD25 citations92
US5707769AJan 13, 1998
Yellow toner and magenta toner and image forming apparatus and method using same
MINOLTA CO LTD27 citations89
US6344302B1Feb 5, 2002
Developer for developing electrostatic latent images
MINOLTA CO LTD16 citations84
US5905010AMay 18, 1999
Nonmagnetic toner for forming full color images
MINOLTA CO LTD18 citations84
US6265125B1Jul 24, 2001
Toner set and full-color image-forming method suitable for use of the toner set
MINOLTA CO LTD10 citations74
US6174641B1Jan 16, 2001
Non-magnetic toner for developing electrostatic latent image
MINOLTA CO LTD14 citations74
US6159647ADec 12, 2000
Non-magnetic yellow toner
MINOLTA CO LTD15 citations74
US6063535AMay 16, 2000
Mono-component developing method
MINOLTA CO LTD7 citations74
US5905011AMay 18, 1999
Nonmagnetic monocomponent negatively chargeable color developer
MINOLTA CO LTD12 citations74
US5879848AMar 9, 1999
Toner for full color developing
MINOLTA CO LTD10 citations74
US5840458ANov 24, 1998
Developer for developing an electrostatic latent image to which laminated titanium oxide is externally added
MINOLTA CO LTD13 citations74
US5794105AAug 11, 1998
Image forming apparatus and toner for full color development
MINOLTA CO LTD8 citations74
US6459874B2Oct 1, 2002
Developing system for forming a full-color image
MINOLTA CO LTD5 citations63
US6387580B2May 14, 2002
Toner set and full-color image-forming method suitable for use of the toner set
MINOLTA CO LTD2 citations63
US6066430AMay 23, 2000
Mono-component developing method and mono-component developing machine for effectuating the method
MINOLTA CO LTD2 citations63
RICOH CO LTD
9 patentsUS7838193B2Nov 23, 2010
Toner and image forming method using the toner
RICOH CO LTD10 citations84
US7867685B2Jan 11, 2011
Image forming method and apparatus
RICOH CO LTD5 citations74
US7833686B2Nov 16, 2010
Toner and method for producing the same, toner kit, and developer, process cartridge, image forming method and image forming apparatus
RICOH CO LTD6 citations74
US7903998B2Mar 8, 2011
Image forming apparatus
RICOH CO LTD4 citations63
US11287757B2Mar 29, 2022
Toner, toner stored container, developer, developing device, process cartridge, and image forming apparatus
RICOH CO LTD0 citations62
US11537057B2Dec 27, 2022
Toner, toner accommodating unit, image forming apparatus, and image forming method
RICOH CO LTD0 citations52
US8053154B2Nov 8, 2011
Toner and image forming method
RICOH CO LTD1 citations52
US8043779B2Oct 25, 2011
Pulverized toner
RICOH CO LTD1 citations52
US8012658B2Sep 6, 2011
Toner for developing electrostatic image, and image forming apparatus and process cartridge using the toner
RICOH CO LTD1 citations52
RICOH KK
8 patentsUS7556904B2Jul 7, 2009
Toner for electrostatic development, developer, image forming method, image-forming apparatus and process for cartridge using the same
RICOH KK23 citations93
US7829254B2Nov 9, 2010
Non-magnetic toner, image forming apparatus and process cartridge
RICOH KK21 citations92
US7749671B2Jul 6, 2010
Toner for developing a latent electrostatic image, image-forming method, image-forming apparatus and process cartridge using the same
RICOH KK15 citations84
US7709171B2May 4, 2010
Charge control agent, toner and toner producing method
RICOH KK13 citations84
US7695885B2Apr 13, 2010
Developer and image forming method using the developer
RICOH KK18 citations84
US7632619B2Dec 15, 2009
Toner, fixing method and image forming method using the toner
RICOH KK10 citations84
US7556906B2Jul 7, 2009
Toner, and image forming method, image forming apparatus, and process cartridge using the toner
RICOH KK13 citations84
US7817946B2Oct 19, 2010
Developing device, image developing method, image forming apparatus, image forming method, and process cartridge
RICOH KK7 citations74
ISHIKAWA YOSHIMICHI
2 patentsUS8110330B2Feb 7, 2012
Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus
ISHIKAWA YOSHIMICHI6 citations82
US8216755B2Jul 10, 2012
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method
ISHIKAWA YOSHIMICHI0 citations50