P

Inventor

KATSUTA YASUSHI

JP31 patents
⚠️ This page may combine multiple inventors who share the name “KATSUTA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

22 patents
US6316157B1Nov 13, 2001

Toner and image forming method

CANON KK55 citations96
US10114303B2Oct 30, 2018

Toner

CANON KK46 citations94
US9720340B2Aug 1, 2017

Toner

CANON KK33 citations92
US8874007B2Oct 28, 2014

Developing unit and electrophotographic image forming apparatus

CANON KK31 citations92
US7160663B2Jan 9, 2007

Toner

CANON KK28 citations92
US7112393B2Sep 26, 2006

Non-magnetic toner

CANON KK33 citations92
US7029813B2Apr 18, 2006

Toner

CANON KK21 citations92
US6667140B2Dec 23, 2003

Toner and image forming method

CANON KK25 citations92
US6346356B1Feb 12, 2002

Toner, toner production process, and image-forming method

CANON KK35 citations92
US7153625B2Dec 26, 2006

Process for producing toner particles, and toner

CANON KK14 citations84
US7846631B2Dec 7, 2010

Toner

CANON KK10 citations83
US7323282B2Jan 29, 2008

Dry toner, method for producing dry toner, and method for forming an image

CANON KK14 citations83
US7252917B2Aug 7, 2007

Dry toner, method for producing dry toner, and method for forming an image

CANON KK15 citations83
US6855471B2Feb 15, 2005

Toner and image-forming method

CANON KK10 citations74
US11360416B2Jun 14, 2022

Image forming apparatus

CANON KK4 citations72
US7745088B2Jun 29, 2010

Non-magnetic toner

CANON KK6 citations62
US7740999B2Jun 22, 2010

Toner

CANON KK2 citations62
US7537875B2May 26, 2009

Toner

CANON KK4 citations62
US11960225B2Apr 16, 2024

Image forming apparatus

CANON KK0 citations61
US12092970B2Sep 17, 2024

Image forming apparatus

CANON KK0 citations51
US11067938B2Jul 20, 2021

Cleaning unit, cartridge, image forming apparatus

CANON KK0 citations51
US10928768B2Feb 23, 2021

Cleaning unit, cartridge, image forming apparatus

CANON KK0 citations51

PETOCA LTD

3 patents

KAMIKURA KENTA

2 patents

YOSHIZAKI KAZUMI

2 patents

TOSHIBA KK

1 patent

OZAKI KAZUYUKI

1 patent