P

Inventor

YAMAWAKI KENTARO

JP30 patents
⚠️ This page may combine multiple inventors who share the name “YAMAWAKI KENTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

29 patents
US10545422B2Jan 28, 2020

Toner

CANON KK39 citations97
US10503090B2Dec 10, 2019

Toner

CANON KK41 citations97
US10429757B2Oct 1, 2019

Toner

CANON KK41 citations97
US10303074B2May 28, 2019

Toner

CANON KK41 citations97
US11003105B2May 11, 2021

Toner and toner manufacturing method

CANON KK21 citations94
US11003104B2May 11, 2021

Toner

CANON KK21 citations94
US10976679B2Apr 13, 2021

Toner

CANON KK21 citations94
US10942466B2Mar 9, 2021

Toner with an external additive of an organosilicon polymer particle having a hydroxyl group

CANON KK21 citations94
US9366981B2Jun 14, 2016

Toner and toner production method

CANON KK27 citations93
US9341967B2May 17, 2016

Method for producing toner particles

CANON KK24 citations92
US11169460B2Nov 9, 2021

Toner

CANON KK19 citations86
US10942465B2Mar 9, 2021

Toner

CANON KK14 citations86
US10976678B2Apr 13, 2021

Toner

CANON KK15 citations85
US10747130B2Aug 18, 2020

Process cartridge and electrophotographic apparatus

CANON KK16 citations85
US10809639B2Oct 20, 2020

Toner

CANON KK10 citations83
US11947280B2Apr 2, 2024

Image forming apparatus

CANON KK1 citations73
US11573519B2Feb 7, 2023

Electrophotographic apparatus and process cartridge

CANON KK4 citations73
US9864290B2Jan 9, 2018

Toner for electrophotographic processes and electrostatic printing processes

CANON KK4 citations73
US11650516B2May 16, 2023

Developing apparatus, electrophotography process cartridge, and electrophotographic image forming apparatus

CANON KK2 citations72
US10754265B2Aug 25, 2020

Image forming apparatus

CANON KK2 citations71
US12443129B2Oct 14, 2025

Image forming apparatus with simplified developer replenishment structure and that is user-friendly

CANON KK0 citations62
US12077687B2Sep 3, 2024

Hot-melt adhesive and method for producing bonded article

CANON KK0 citations62
US11493859B2Nov 8, 2022

Image forming apparatus

CANON KK1 citations62
US11003106B2May 11, 2021

Process cartridge and image forming apparatus

CANON KK1 citations62
US11841681B2Dec 12, 2023

Toner

CANON KK0 citations59
US11960242B2Apr 16, 2024

Toner

CANON KK0 citations51
US10852662B2Dec 1, 2020

Developing device, process cartridge and image forming apparatus

CANON KK0 citations49
US12210317B2Jan 28, 2025

Toner, external additive for toner, and fine particle

CANON KK0 citations48
US10732534B2Aug 4, 2020

Process cartridge and image forming apparatus

CANON KK0 citations41

RENESAS TECH CORP

1 patent