Inventor
KUBO TSUTOMU
34 patents
⚠️ This page may combine multiple inventors who share the name “KUBO TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
17 patentsUS6555282B2Apr 29, 2003
Toner for developing electrostatic latent image, image forming method and image forming apparatus using the same
FUJI XEROX CO LTD20 citations91
US5571651ANov 5, 1996
Capsule toner
FUJI XEROX CO LTD16 citations74
US5385802AJan 31, 1995
Process for producing toner
FUJI XEROX CO LTD7 citations74
US7288351B2Oct 30, 2007
Magenta toner for developing electrostatic images, process for production thereof, developer and image-forming method
FUJI XEROX CO LTD8 citations73
US7166401B2Jan 23, 2007
Toner for electrophotography, image-forming method, image-forming apparatus and toner cartridge
FUJI XEROX CO LTD8 citations73
US5334480AAug 2, 1994
Capsule toner
FUJI XEROX CO LTD16 citations73
US5312710AMay 17, 1994
Electrophotographic toner and process for producing the same
FUJI XEROX CO LTD10 citations73
US5439773AAug 8, 1995
Electrically-conductive toner, process for preparation of same, and process for formation of image using same
FUJI XEROX CO LTD13 citations72
US5336582AAug 9, 1994
Electrophotographic image formation comprising an arylamine in a charge transport layer and an encapsulated toner
FUJI XEROX CO LTD10 citations70
US7236728B2Jun 26, 2007
Developing device and image formation device
FUJI XEROX CO LTD2 citations63
US7094514B2Aug 22, 2006
Image forming method
FUJI XEROX CO LTD2 citations62
US7018764B2Mar 28, 2006
Toner for developing electrostatic images, process for preparing toner for developing electrostatic images, developer for developing electrostatic images and images forming method
FUJI XEROX CO LTD5 citations62
US6468707B1Oct 22, 2002
Image-forming process and image-forming apparatus
FUJI XEROX CO LTD4 citations60
US5063133ANov 5, 1991
Electrophotographic developing system comprising toner having specific particle size distribution
FUJI XEROX CO LTD6 citations59
US4707428ANov 17, 1987
Electrostatic latent image developing method
FUJI XEROX CO LTD4 citations57
US8372574B2Feb 12, 2013
Method of producing electrostatic latent image developing toner
FUJI XEROX CO LTD0 citations50
US6942953B2Sep 13, 2005
Image forming method
FUJI XEROX CO LTD0 citations41
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4212837AJul 15, 1980
Method and apparatus for forming spherical particles of thermoplastic material
TOKYO SHIBAURA ELECTRIC CO45 citations95
US4221554ASep 9, 1980
Method and apparatus for forming spherical particles of thermoplastic material
TOKYO SHIBAURA ELECTRIC CO37 citations92
US4233935ANov 18, 1980
Magnetic brush apparatus for electrostatic printing system
TOKYO SHIBAURA ELECTRIC CO12 citations74
US4266503AMay 12, 1981
Apparatus for forming a cloud of toner particles
TOKYO SHIBAURA ELECTRIC CO6 citations62
NIPPON TELEGRAPH & TELEPHONE
4 patentsUS11206084B2Dec 21, 2021
Dispersion compensation designing device, dispension compensation method, optical transmission system, and program
NIPPON TELEGRAPH & TELEPHONE2 citations73
US11424824B2Aug 23, 2022
OSNR spectrum estimation apparatus, OSNR spectrum estimation method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11942755B2Mar 26, 2024
Optical transmission system and filter penalty reduction method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11329445B2May 10, 2022
Optical amplifier, optical transmission system, and optical cable failure part measurement method
NIPPON TELEGRAPH & TELEPHONE0 citations49