Inventor

Jumpei Aoyama

Inventor

Kanagawa, JP

Overview

2013–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 21 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, cables51%

G03GElectrography34%

E05FDevices for moving wings into open or closed position6%

B41JTypewriters3%

F16HGearing3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

10,968,061Image forming apparatus2021 10,865,059Sheet container, sheet conveying device incorporating the sheet container, and image forming apparatus incorporating the sheet conveying device2020 10,486,922Sheet feeding device and image forming apparatus incorporating the sheet feeding device2019 10,429,786Drive transmission device and image forming apparatus incorporating the drive transmission device2019 10,202,250Image forming apparatus2019 10,167,148Image forming apparatus and dustproof cover2019 9,869,959'Image forming apparatus'2018 9,856,099'Sheet feeder and image forming apparatus incorporating the sheet feeder'2018 9,625,866'Image forming apparatus'2017 9,568,879'Image forming apparatus'2017 9,487,363'Sheet feeder and image forming apparatus incorporating same'2016 9,448,517'Image forming apparatus'2016 9,411,294'Bypass feeder and door on an image forming apparatus'2016 9,216,867'Sheet feeder and image forming apparatus incorporating same'2015 9,126,781'Sheet feeder and image forming apparatus incorporating same'2015 9,037,073'Bypass feeder and door on an image forming apparatus'2015 8,941,849'Sheet positioning device, sheet holding receptacle incorporating same, and image forming apparatus incorporating same'2015 8,894,063'Image forming apparatus and sheet positioning device using method of sheet positioning'2014 8,695,969'Sheet adjusting device, sheet holding receptacle incorporating same, and image forming apparatus incorporating same'2014 8,684,350'Sheet adjusting device, sheet holding receptacle incorporating same, and image forming apparatus incorporating same'2014 8,585,043'Sheet adjusting device, sheet holding receptacle, image forming mechanism, and image reading mechanism'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2021Patents assigned to AOYAMA JUMPEI (21)· patent assignee history

2013–2021Patents assigned to RICOH CO LTD (21)· patent assignee history

2013–2014Based in Tokyo, JP· patent location history

2014–2021Based in Kanagawa, JP· patent location history

2016–2021Patents assigned to KAMICHI JUNPEI (9)· patent assignee history

2016–2021Patents assigned to NISHIDA HAJIME (8)· patent assignee history

2016–2021Patents assigned to KOBAYASHI SHUN (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AOYAMA JUMPEIself	21	2013–2021
RICOH CO LTD	21	2013–2021
KAMICHI JUNPEI	9	2016–2021
NISHIDA HAJIME	8	2016–2021
KOBAYASHI SHUN	7	2016–2021

Locations

Location	Patents	Span
Kanagawa, JP	19	2014–2021
Tokyo, JP	2	2013–2014