P

Inventor

TETSUNO SHUICHI

JP63 patents
⚠️ This page may combine multiple inventors who share the name “TETSUNO SHUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

45 patents
US11526116B2Dec 13, 2022

Image forming apparatus with collection

CANON KK6 citations86
US11841669B2Dec 12, 2023

Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portion

CANON KK4 citations75
US11846899B2Dec 19, 2023

Image forming apparatus

CANON KK2 citations73
US11703775B2Jul 18, 2023

Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member

CANON KK3 citations73
US10999476B2May 4, 2021

Image forming apparatus configured to perform gradation correction process

CANON KK2 citations73
US10725402B2Jul 28, 2020

Image forming apparatus

CANON KK2 citations73
US10168645B2Jan 1, 2019

Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt

CANON KK3 citations73
US9599923B2Mar 21, 2017

Image forming apparatus with control of developing bias and charging bias

CANON KK4 citations73
US12099315B2Sep 24, 2024

Image forming apparatus

CANON KK2 citations72
US12032322B2Jul 9, 2024

Image forming apparatus

CANON KK2 citations72
US9454108B2Sep 27, 2016

Image forming apparatus

CANON KK2 citations63
US9046861B2Jun 2, 2015

Image-forming apparatus

CANON KK3 citations63
US12416881B2Sep 16, 2025

Image forming apparatus

CANON KK0 citations62
US12411435B2Sep 9, 2025

Image forming apparatus

CANON KK0 citations62
US12372912B2Jul 29, 2025

Image forming apparatus with fiber brush

CANON KK0 citations62
US12259677B2Mar 25, 2025

Image forming apparatus

CANON KK0 citations62
US12204270B2Jan 21, 2025

Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density

CANON KK0 citations62
US12197160B2Jan 14, 2025

Image forming apparatus

CANON KK1 citations62
US12124183B2Oct 22, 2024

Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member

CANON KK0 citations62
US12072654B2Aug 27, 2024

Image forming apparatus

CANON KK0 citations62
US12025944B2Jul 2, 2024

Image forming apparatus

CANON KK0 citations62
US11994823B2May 28, 2024

Image forming apparatus

CANON KK0 citations62
US11815827B2Nov 14, 2023

Image forming apparatus

CANON KK0 citations62
US11782377B2Oct 10, 2023

Image forming apparatus

CANON KK0 citations62
US11669034B2Jun 6, 2023

Image forming apparatus

CANON KK0 citations62
US11537066B2Dec 27, 2022

Image forming apparatus

CANON KK0 citations62
US11262673B2Mar 1, 2022

Image forming apparatus

CANON KK0 citations62
US11143987B2Oct 12, 2021

Imaging forming apparatus with enhanced primary transferability where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt

CANON KK1 citations62
US10289036B2May 14, 2019

Image forming apparatus

CANON KK1 citations62
US12566400B2Mar 3, 2026

Image forming apparatus

CANON KK0 citations61
US12276929B2Apr 15, 2025

Image forming apparatus

CANON KK0 citations52
US12158710B2Dec 3, 2024

Image forming apparatus that removes residual toner with developer carrying member

CANON KK0 citations52
US11693351B2Jul 4, 2023

Image forming apparatus capable of reducing image defects caused by paper dust

CANON KK0 citations52
US11599059B2Mar 7, 2023

Image forming apparatus with condensation control

CANON KK0 citations52
US9494894B2Nov 15, 2016

Image forming apparatus

CANON KK1 citations52
US9213273B2Dec 15, 2015

Image forming apparatus

CANON KK0 citations52
US12366819B2Jul 22, 2025

Image forming apparatus

CANON KK0 citations51
US11971670B2Apr 30, 2024

Image forming apparatus to control transfer voltage for secondary transfer to recording material

CANON KK0 citations51
US9354587B2May 31, 2016

Image forming apparatus with cleaning unit

CANON KK1 citations51
US8995862B2Mar 31, 2015

Image forming apparatus

CANON KK1 citations51
US12585211B2Mar 24, 2026

Image forming apparatus

CANON KK0 citations50
US12510856B2Dec 30, 2025

Image forming apparatus

CANON KK0 citations50
US12164238B2Dec 10, 2024

Controlling voltage in an image forming apparatus including a brush that comes into contact with an image bearing member

CANON KK0 citations50
US12124182B2Oct 22, 2024

Image-forming apparatus to control potential difference based on image-forming operation

CANON KK0 citations50
US10649388B2May 12, 2020

Image forming apparatus

CANON KK0 citations42

TANAKA MASASHI

1 patent

NISHIDA SATOSHI

1 patent

TETSUNO SHUICHI

1 patent

AKAMATSU TAKAAKI

1 patent

SHIMURA MASARU

1 patent

Showing the top 50 of 63 patents by PatentIndex Score.