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Inventor

Yoshihide Ohta

Inventor
Kanagawa, JP

Overview

34→
Patents
2010–2020
Patent span
Physics
Primary field (CPC G)

Patents· 34 as inventor

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

G03Gprimary
G03GElectrography50%
H04NPictorial communication, e.g. television15%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables13%
B41JTypewriters8%
E05BLocks4%
G10KSound-producing devices4%
E05CBolts or fastening devices for wings, specially for doors or windows2%
H01HElectric switches2%
H05KPrinted circuits2%
PatentTitleYear
10,761,477Image forming apparatus202010,599,091Cabinet, electronic device, and image forming apparatus202010,146,175Image forming apparatus201810,038,800Image forming apparatus including an electronics container designed to permit an overall efficient structure201810,025,252Image forming apparatus20189,904,229'Image forming apparatus'20189,880,512'Image forming apparatus including an outer cover and a subsidiary cover'20189,477,196'Image forming apparatus'20169,353,553'Image forming apparatus with locking drawer unit'20169,188,946'Image forming apparatus including drawer with variable length cable holder'20159,176,462'Image forming apparatus having a drawer unit with a paper-feeding conveying path therein'20159,163,429'Image forming apparatus having drawer unit'20158,929,752'Fixing device and image forming apparatus using same'20158,678,371'Manual sheet-feeding device and image forming apparatus'20148,600,288'Image forming apparatus'20138,513,551'Interlock mechanism and image forming apparatus'20138,320,798'Sheet conveying device and image forming apparatus'20128,244,167'Image forming apparatus'20128,204,431'Compact image forming apparatus with post-processing'20128,194,255'Image forming apparatus'20128,154,770'Image forming apparatus'20128,102,545'Image forming apparatus'20128,103,186'Image forming apparatus'20128,089,666'Image forming apparatus'20128,045,888'Sheet conveying device and image forming apparatus'20118,032,071'Image forming apparatus including a reading part supported by first and second supporters'20117,982,923'Image forming apparatus'20117,963,524'Image forming apparatus'20117,937,028'Image forming apparatuses having specialized toner structures and materials'20117,878,725'Image forming apparatus having removable units'20117,873,303'Upper frame opening and closing mechanism, and image forming apparatus using the same'20117,784,780'Manual sheet-feeding device and image forming apparatus'20107,764,905'Assist members for an openable structure of an image forming apparatus'20107,751,751'Image forming apparatus and damper'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2018Based in Kanagawa, JP· patent location history
2010–2015Based in Sagamihara, JP· patent location history
2011–2020Patents assigned to RICOH CO LTD (31)· patent assignee history
2011–2012Based in Osaka, JP· patent location history
2012–2020Patents assigned to OHTA YOSHIHIDE (24)· patent assignee history
2012–2013Patents assigned to ANDOH TAKAYUKI (8)· patent assignee history
2012–2013Patents assigned to SHIRAKI TAKAMASA (8)· patent assignee history
2012–2013Patents assigned to TAKAHASHI TAKUJI (8)· patent assignee history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD312011–2020
OHTA YOSHIHIDEself242012–2020
ANDOH TAKAYUKI82012–2013
SHIRAKI TAKAMASA82012–2013
TAKAHASHI TAKUJI82012–2013
Locations
LocationPatentsSpan
Kanagawa, JP232010–2018
Sagamihara, JP72010–2015
Tokyo, JP22020
Osaka, JP22011–2012