LexDanaLexDanabeta
Inventor

Tsugunao Toyooka

Inventor
Sagamihara, JP

Overview

7→
Patents
2012–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 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, cables60%
G03GElectrography40%
PatentTitleYear
10,669,109Sheet end position regulating device, sheet loader incorporating the sheet end position regulating device, sheet feeding device incorporating the sheet end position regulating device, and image forming apparatus incorporating the sheet end position regulating device20208,857,809'Sheet separation/conveyance device and image forming apparatus incorporating same'20148,833,755'Sheet feeding device, electrophotographic image forming apparatus incorporating same, and sheet separation method for the apparatus'20148,752,821'Image forming apparatus'20148,408,532'Image forming apparatus'20138,302,953'Image forming apparatus'20128,157,257'Sheet feeding device and electrophotographic image forming apparatus with rotating charged belt'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to RICOH CO LTD (7)· patent assignee history
2012–2020Patents assigned to TOYOOKA TSUGUNAO (7)· patent assignee history
2012–2014Patents assigned to NONAKA MANABU (6)· patent assignee history
2012–2013Patents assigned to HIGAKI HIDETO (3)· patent assignee history
2012Patents assigned to TOGASHI TOSHIFUMI (2)· patent assignee history
2012–2014Based in Sagamihara, JP· patent location history
2014Based in Kanagawa, JP· patent location history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD72012–2020
TOYOOKA TSUGUNAOself72012–2020
NONAKA MANABU62012–2014
HIGAKI HIDETO32012–2013
TOGASHI TOSHIFUMI22012
Locations
LocationPatentsSpan
Sagamihara, JP52012–2014
Tokyo, JP12020
Kanagawa, JP12014