Inventor

Yotaro Sato

Inventor

Hachioji, JP

Overview

1997–2019

Patent span

Physics

Primary field (CPC G)

Patents· 47 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography92%

H04NPictorial communication, e.g. television8%

PatentTitleYear

10,409,218Image forming apparatus2019 9,335,673'Image forming apparatus and method of controlling image forming apparatus for separating a recording sheet from an image bearing member'2016 8,135,302'Image forming apparatus having cleaning device of pre-secondary transfer discharge unit'2012 7,945,202'Cleaning apparatus and image forming apparatus'2011 7,761,042'Color image forming apparatus'2010 7,639,974'Color image forming apparatus with pre-secondary transfer charge eliminating section'2009 7,593,675'Color image forming apparatus having a discharging unit to discharge an electrical charge of a toner image transferred on an intermediate transfer member'2009 7,593,665'Image forming apparatus with cleaning unit'2009 7,489,894'Image forming apparatus with belt surface regulating member'2009 7,486,901'Image forming apparatus and image forming method'2009 7,444,098'Image forming apparatus with cleaning unit'2008 7,440,719'Color image forming apparatus having pre-transfer discharger'2008 7,373,100'Color image forming apparatus having pre-transfer discharge electrode'2008 7,346,302'Color image forming apparatus and electric charge eliminating device'2008 7,327,976'Color image forming apparatus'2008 7,308,212'Color image forming apparatus'2007 7,298,997'Color image forming apparatus with pre-charging unit and potential adjustment unit'2007 7,260,350'Image forming apparatus'2007 7,254,358'Color image forming apparatus'2007 7,251,442'Color image forming apparatus having advanced transfer system'2007 7,209,692'Color image forming apparatus and discharging device before secondary transfer of the same'2007 6,832,058'Image forming apparatus including a maximum charge quantity of toner particles forming useless toner'2004 6,737,209'Color image forming method using flattened toner'2004 6,721,526'Image forming apparatus with improved developing device'2004 6,360,063'Image forming apparatus wherein writing of an image is conducted before feeding of a transfer material is started'2002 6,347,200'Duplex image forming apparatus'2002 6,205,301'Two-sided image forming apparatus'2001 6,094,552'Image forming apparatus for printing images in accordance with at least one of first information and second information'2000 6,085,064'Image forming apparatus'2000 6,058,287'Image forming apparatus having sheet conveyance device'2000 6,021,301'Image forming apparatus which is equipped with an intermediate transfer body and which prevents toner from sticking to a transfer unit'2000 5,995,797'Image forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheet'1999 5,991,563'Image forming apparatus'1999 5,978,644'Image forming apparatus'1999 5,970,277'Image forming apparatus'1999 5,920,744'Image forming apparatus and method for efficiently forming images even after the occurrence of a jam'1999 5,905,931'Electrophotographic image forming apparatus'1999 5,899,611'Apparatus for forming an image on both sides of an image receiver'1999 5,875,372'Image forming apparatus'1999 5,826,143'Image forming apparatus with two transfer means'1998 5,822,666'Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device'1998 5,799,226'Electrostatic image forming apparatus with transfer controls for different imaging modes'1998 5,761,573'Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side'1998 5,758,204'Duplex image forming apparatus with two image carriers and an image size discriminator'1998 5,701,553'Multi-color image forming apparatus having high developability without fogging and without mixing of colors'1997 5,604,573'Developing unit with a smoothing plate'1997 5,602,630'Developing device'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2004Patents assigned to KONISHIROKU PHOTO IND (26)· patent assignee history

1997–2012Based in Hachioji, JP· patent location history

1997–2016Based in Tokyo, JP· patent location history

2007–2012Patents assigned to KONICA MINOLTA BUSINESS TECH (19)· patent assignee history

2012Patents assigned to KAWAKAMI HAJIME (1)· patent assignee history

2012Patents assigned to KIMURA TAKENOBU (1)· patent assignee history

2016–2019Patents assigned to KONICA MINOLTA INC (2)· patent assignee history

2019Based in Machida, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONISHIROKU PHOTO IND	26	1997–2004
KONICA MINOLTA BUSINESS TECH	19	2007–2012
KONICA MINOLTA INC	2	2016–2019
KAWAKAMI HAJIME	1	2012
KIMURA TAKENOBU	1	2012

Locations

Location	Patents	Span
Hachioji, JP	42	1997–2012
Tokyo, JP	4	1997–2016
Machida, JP	1	2019