P

Inventor

IWASAWA YUSAKU

JP19 patents
⚠️ This page may combine multiple inventors who share the name “IWASAWA YUSAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

18 patents
US9494899B2Nov 15, 2016

Fixing device and heater used in fixing device

CANON KK10 citations84
US9098035B2Aug 4, 2015

Fixing device and heater used in fixing device

CANON KK14 citations84
US12164248B2Dec 10, 2024

Image forming apparatus that selectively changes trailing end voltage

CANON KK2 citations71
US10338502B2Jul 2, 2019

Image-forming apparatus

CANON KK2 citations70
US11378901B2Jul 5, 2022

Image forming apparatus capable of suppressing maldistribution of an ion conductive agent on an intermediary transfer member

CANON KK1 citations62
US10824105B2Nov 3, 2020

Image forming apparatus having a control of transfer voltage

CANON KK1 citations62
US10496028B2Dec 3, 2019

Image forming apparatus

CANON KK1 citations61
US10372077B2Aug 6, 2019

Image forming apparatus

CANON KK1 citations61
US12372906B2Jul 29, 2025

Fixing member and fixing unit

CANON KK0 citations51
US11852986B2Dec 26, 2023

Image forming apparatus

CANON KK0 citations51
US11079712B2Aug 3, 2021

Image forming apparatus for an intermediate transfer of a toner image and for reversely transferring collected developer to an image bearing member

CANON KK0 citations51
US12298687B2May 13, 2025

Image forming apparatus with control of transfer voltage

CANON KK0 citations50
US9977363B2May 22, 2018

Image forming apparatus with selective control of charges applied to residual toner

CANON KK1 citations50
US10101689B2Oct 16, 2018

Image forming apparatus

CANON KK1 citations49
US10216122B2Feb 26, 2019

Image forming apparatus

CANON KK0 citations41
US10845735B2Nov 24, 2020

Image forming apparatus

CANON KK0 citations40
US10073382B2Sep 11, 2018

Image forming apparatus that applies bias voltage according to stored image bearing member information

CANON KK0 citations40
US10289056B2May 14, 2019

Image forming apparatus

CANON KK0 citations38

SAKAKIBARA HIROYUKI

1 patent