Inventor
TSUTSUI CHIKARA
JP31 patents
⚠️ This page may combine multiple inventors who share the name “TSUTSUI CHIKARA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CO LTD
22 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
US5981132ANov 9, 1999
Non-magnetic mono-component developer
MINOLTA CO LTD25 citations92
US5905010AMay 18, 1999
Nonmagnetic toner for forming full color images
MINOLTA CO LTD18 citations84
US5862444AJan 19, 1999
Developing roller having another coating of fine particles
MINOLTA CO LTD17 citations84
US6899985B2May 31, 2005
Toner for developing electrostatic latent image
MINOLTA CO LTD7 citations74
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
US5660964AAug 26, 1997
Developer containing two kinds of wax
MINOLTA CO LTD16 citations73
US5665512ASep 9, 1997
Mono-component toner for developing an electrostatic latent image and developing method
MINOLTA CO LTD11 citations69
US6841326B2Jan 11, 2005
Toner containing specific external additive for full color-copying machine and fixing method of the same
MINOLTA CO LTD4 citations63
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
US5840460ANov 24, 1998
Toner for developing electrostatic latent images
MINOLTA CO LTD4 citations63
US5958641ASep 28, 1999
Single component toner comprising specified polyester
MINOLTA CO LTD4 citations58
TSUTSUI CHIKARA
3 patentsUS8190064B2May 29, 2012
Developing apparatus with agitating portion and image forming apparatus provided with the same
TSUTSUI CHIKARA2 citations60
US8445169B2May 21, 2013
Toner for hybrid development, developer for hybrid development and image-forming apparatus
TSUTSUI CHIKARA0 citations49
US8233825B2Jul 31, 2012
Developing apparatus and image forming apparatus provided with the same
TSUTSUI CHIKARA0 citations39
MURAUCHI JUNJI
2 patentsUS8219007B2Jul 10, 2012
Developing apparatus and image forming apparatus provided with the same
MURAUCHI JUNJI2 citations61
US8170451B2May 1, 2012
Developing apparatus including guide for preventing packing and leaking of developer and image forming apparatus provided with the same
MURAUCHI JUNJI4 citations61