Inventor
KUBO SHINJI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “KUBO SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI RAYON CO
15 patentsUS4988794AJan 29, 1991
Polyester resin for toner and process for its production
MITSUBISHI RAYON CO61 citations96
US5057596AOct 15, 1991
Crosslinked polyester resin from trihydric alcohol
MITSUBISHI RAYON CO57 citations95
US4980448ADec 25, 1990
Crosslinked polyester for toner and process for preparation thereof
MITSUBISHI RAYON CO65 citations95
US4866158ASep 12, 1989
Polyester resin for toner and process for its production
MITSUBISHI RAYON CO7 citations74
US4849495AJul 18, 1989
Polyester resin from tri- or higher polycarboxylic acid for toner and process for its production
MITSUBISHI RAYON CO14 citations74
US6103438AAug 15, 2000
Polyester resin for toner, process for its production and toner
MITSUBISHI RAYON CO7 citations73
US5807654ASep 15, 1998
Polyester resin for toner, process for its production and toner
MITSUBISHI RAYON CO9 citations73
US5276127AJan 4, 1994
Polyester resin for toner
MITSUBISHI RAYON CO13 citations73
US5227273AJul 13, 1993
Binder for toner and process for producing the same
MITSUBISHI RAYON CO7 citations73
US5153301AOct 6, 1992
Polyester resin for toner
MITSUBISHI RAYON CO10 citations73
US5071918ADec 10, 1991
Process for producing resin for a toner
MITSUBISHI RAYON CO10 citations73
US5270436ADec 14, 1993
Polyester for electrophotography
MITSUBISHI RAYON CO5 citations62
US5204413AApr 20, 1993
Process fro producing resin for a toner
MITSUBISHI RAYON CO5 citations62
US5009978AApr 23, 1991
Preparation process for toner polymer
MITSUBISHI RAYON CO2 citations58
US5024914AJun 18, 1991
Resin for toner particle
MITSUBISHI RAYON CO1 citations51
CANON KK
8 patentsUS11815831B2Nov 14, 2023
Image forming apparatus having a mechanism to restrict or allow toner replenishment
CANON KK2 citations72
US11209755B2Dec 28, 2021
Image forming apparatus having a detachable toner replenishment container
CANON KK4 citations72
US8342509B2Jan 1, 2013
Sheet feeding apparatus and image forming apparatus
CANON KK6 citations72
US12091273B2Sep 17, 2024
Sheet discharge apparatus and image forming apparatus
CANON KK0 citations52
US11681248B2Jun 20, 2023
Image forming apparatus and sheet conveyance apparatus
CANON KK0 citations52
US11112737B2Sep 7, 2021
Fixing apparatus including a heat conducting member with an extending portion extending upstream of the heater
CANON KK0 citations51
US9494918B2Nov 15, 2016
Image forming apparatus
CANON KK0 citations42
US10725425B2Jul 28, 2020
Image forming apparatus
CANON KK0 citations41