P

Inventor

AKATSU SHINICHI

JP25 patents
⚠️ This page may combine multiple inventors who share the name “AKATSU SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH CO LTD

4 patents
US7917045B2Mar 29, 2011

Image forming apparatus and image forming method

RICOH CO LTD7 citations82
US8019239B2Sep 13, 2011

Device and method for detecting life of organic photoreceptor and image forming apparatus

RICOH CO LTD2 citations62
US8045871B2Oct 25, 2011

Image forming apparatus and image forming method on measured physical quantity

RICOH CO LTD6 citations60
US7925174B2Apr 12, 2011

Image forming apparatus

RICOH CO LTD0 citations40

HITACHI KOKI KK

4 patents
US6684036B2Jan 27, 2004

Image forming apparatus

HITACHI KOKI KK10 citations74
US6556229B2Apr 29, 2003

Electrophotographic apparatus having a fringe development preventing mechanism

HITACHI KOKI KK9 citations74
US6061534AMay 9, 2000

Two-color image forming apparatus that prevents fringe development

HITACHI KOKI KK12 citations74
US6271874B1Aug 7, 2001

Electrophotographic printer having an image memory, a horizontal scanning fringe correction exposure determining section, a vertical scanning fringe correction exposure determining section, and a switch

HITACHI KOKI KK3 citations63

MUTO TETSUYA

2 patents
US9565319B2Feb 7, 2017

Image forming apparatus having an optical sensor for converting a toner adhesion amount and image forming method

MUTO TETSUYA2 citations68
US9141059B2Sep 22, 2015

Image forming apparatus

MUTO TETSUYA1 citations48

AKATSU SHINICHI

2 patents
US10948864B2Mar 16, 2021

Image density correction for an image forming apparatus

AKATSU SHINICHI1 citations59
US8099005B2Jan 17, 2012

Image forming apparatus

AKATSU SHINICHI2 citations59

SONE KEITA

2 patents
US9535376B2Jan 3, 2017

Image forming apparatus that switches transfer bias based on detected environment condition

SONE KEITA0 citations38
US9436135B2Sep 6, 2016

Toner pattern density correction in an image forming apparatus

SONE KEITA0 citations38

HITACHI PRINTING SOLUTIONS LTD

1 patent
US6738586B2May 18, 2004

Print control method of electrophotograph and image formation apparatus with potential sensor using the method

HITACHI PRINTING SOLUTIONS LTD20 citations92

HITACHI LTD

1 patent
US6131000AOct 10, 2000

Electrophotographic printing apparatus using electric potential dividing development

HITACHI LTD2 citations63

SAKURADA Kohhei

1 patent
US10620578B2Apr 14, 2020

Image forming apparatus for correcting density unevenness

SAKURADA Kohhei2 citations62

RICOH PRINTING SYS LTD

1 patent
US7245841B2Jul 17, 2007

Electrophotographic apparatus

RICOH PRINTING SYS LTD2 citations62

RICOH KK

1 patent
US7792441B2Sep 7, 2010

Image formation apparatus

RICOH KK2 citations60

KOIKE TOSHIO

1 patent
US11709442B2Jul 25, 2023

Consumable supply method, consumable container, image forming apparatus, and refill consumable container

KOIKE TOSHIO0 citations59

KANEKO SATOSHI

1 patent
US9152896B2Oct 6, 2015

Image forming apparatus and image forming method

KANEKO SATOSHI1 citations51

KOSUGE AKIO

1 patent
US11226571B2Jan 18, 2022

Image forming apparatus that controls a charging bias based on an estimated surface potential

KOSUGE AKIO0 citations50

ISAWA TAKAYUKI

1 patent
US12591190B2Mar 31, 2026

Image forming apparatus configured to apply a transfer bias to a transfer nip based on a plurality of transfer conditions, image forming method, and recording medium

ISAWA TAKAYUKI0 citations42

SUZUKI SHINGO

1 patent
US8983320B2Mar 17, 2015

Image forming apparatus

SUZUKI SHINGO0 citations40

UEMATSU YUUICHIROH

1 patent
US9128402B2Sep 8, 2015

Image forming apparatus capable of effectively preventing image density fluctuation

UEMATSU YUUICHIROH0 citations38