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Inventor

Hiroaki Utagawa

Inventor
Kanagawa, JP

Overview

6→
Patents
2012–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables56%
G03GElectrography22%
H04NPictorial communication, e.g. television22%
PatentTitleYear
9,487,370'Sheet material conveying device, image scanning device, and image forming apparatus'20169,075,376'Automatic document feeder and image forming apparatus including the same'20158,925,913'Sheet conveying device, image reading device, and image forming apparatus'20158,896,891'Document conveying device, image reading device, and image forming apparatus'20148,743,431'Sheet conveying device, image reading device, and image forming device'20148,141,865'Sheet feeding device and image forming apparatus with different separating and suctioning operational timings'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2016Patents assigned to RICOH CO LTD (6)· patent assignee history
2012–2016Patents assigned to UTAGAWA HIROAKI (6)· patent assignee history
2012–2014Based in Miyagi, JP· patent location history
2014–2015Patents assigned to AKAI TAKESHI (4)· patent assignee history
2014–2016Patents assigned to HAYASAKA KENJI (4)· patent assignee history
2014–2015Patents assigned to HEISHI FUMIYUKI (4)· patent assignee history
2015–2016Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD62012–2016
UTAGAWA HIROAKIself62012–2016
AKAI TAKESHI42014–2015
HAYASAKA KENJI42014–2016
HEISHI FUMIYUKI42014–2015
Locations
LocationPatentsSpan
Kanagawa, JP32015–2016
Miyagi, JP32012–2014