Inventor

Masaharu Furuya

Inventor

Kanagawa, JP

Overview

1998–2021

Patent span

Physics

Primary field (CPC G)

Patents· 32 as inventor

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

G03Gprimary

G03GElectrography73%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables12%

B41JTypewriters5%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors5%

F16HGearing2%

G06FElectric digital data processing2%

PatentTitleYear

11,112,734Belt device, belt regulator, roller unit, and image forming apparatus2021 9,897,946'Roller member including a first and second high resistance member and image forming apparatus including the roller member'2018 9,708,143'Belt device and image forming apparatus including same'2017 9,599,934'Image forming apparatus having an angle adjuster for a tiltable support roller'2017 9,499,361'Belt conveyor unit and image forming apparatus including same'2016 9,417,565'Conveyor system and image forming apparatus including same'2016 9,395,656'Transfer unit and image forming apparatus employing the transfer unit'2016 9,291,952'Belt assembly and image forming apparatus including same'2016 9,250,575'Belt assembly and image forming apparatus including same'2016 9,104,162'Conveyor system and image forming apparatus including same'2015 8,970,858'Operator guidance system and image forming apparatus incorporating same'2015 8,768,200'Transfer unit and image forming apparatus employing the transfer unit'2014 8,422,897'Image forming apparatus'2013 8,385,793'Image forming apparatus preventing gaps between a conveyor belt and transfer sheet'2013 8,306,469'Cleaning apparatus for removing toner adhered onto endless belt'2012 8,270,875'Image forming apparatus'2012 8,238,790'Image forming apparatus with improved housing panel structural strength'2012 8,175,479'Transfer device and image forming apparatus having first and second transfer nips and first and second contacting members which apply transfer biases'2012 8,086,155'Transfer device and image forming apparatus including same'2011 8,041,282'Powder container, cleaning device, and image forming apparatus'2011 7,979,000'Transfer unit and image forming apparatus'2011 7,929,877'Transfer device and image forming apparatus having at least two contacting members applied with corresponding transfer biases'2011 7,881,636'Belt driving device and image forming apparatus'2011 7,813,683'Belt detaching device and image forming apparatus including belt detaching device'2010 7,657,196'Compact image forming apparatus with a moveable optical sensor'2010 7,421,239'Cleaning apparatus for removing toner adhered onto endless belt'2008 7,277,667'Endless belt device and image forming apparatus using the device'2007 7,221,887'Image forming apparatus that recovers waste toner inside thereof'2007 6,807,386'Fixing device and image forming apparatus'2004 6,389,255'Charging device including a charging roller, a charging roller cleaning member with a preselected length, an image forming apparatus using the charging device, and a method of operating the device'2002 6,006,051'Electrophotographic apparatus and image forming apparatus employed therein with controlled timing of a power supply'1999 5,819,136'Temperature control for a fixing device'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2010Patents assigned to RICOH KK (9)· patent assignee history

1998–2016Based in Yokohama, JP· patent location history

2004–2021Based in Kanagawa, JP· patent location history

2007–2012Based in Tokyo, JP· patent location history

2011–2021Patents assigned to RICOH CO LTD (23)· patent assignee history

2011–2021Patents assigned to FURUYA MASAHARU (18)· patent assignee history

2011–2017Patents assigned to SAEKI KAZUCHIKA (7)· patent assignee history

2015–2021Patents assigned to HOZUMI YOSHIKI (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH CO LTD	23	2011–2021
FURUYA MASAHARUself	18	2011–2021
RICOH KK	9	1998–2010
HOZUMI YOSHIKI	7	2015–2021
SAEKI KAZUCHIKA	7	2011–2017

Locations

Location	Patents	Span
Kanagawa, JP	17	2004–2021
Yokohama, JP	12	1998–2016
Tokyo, JP	3	2007–2012