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Inventor

Kenji Hiratani

Inventor
Kanagawa, JP

Overview

6→
Patents
1996–2020
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.

B41Jprimary
B41JTypewriters44%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables22%
B41MPrinting, duplicating, marking, or copying processes11%
G03GElectrography11%
H04NPictorial communication, e.g. television11%
PatentTitleYear
10,632,761Printer, cloth holder, holder with cloth, and cloth printing system202010,625,522Image adding system, printer, cloth holder, and holder with cloth20208,523,337'Image forming apparatus'20138,398,218'Image forming apparatus'20136,478,294'Sheet feeding device for reliably separating stacked sheets and image forming apparatus using same'20025,484,140'Catch type sheet tray for an image forming apparatus'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Based in Atsugi, JP· patent location history
2002Based in Yokoyama, JP· patent location history
2013–2020Patents assigned to RICOH CO LTD (4)· patent assignee history
2013–2020Patents assigned to HIRATANI KENJI (3)· patent assignee history
2013–2020Patents assigned to NAKAMURA DAISUKE (3)· patent assignee history
2013Patents assigned to KIKURA MAKOTO (2)· patent assignee history
2013Patents assigned to OBATA YUZO (2)· patent assignee history
2013–2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD42013–2020
HIRATANI KENJIself32013–2020
NAKAMURA DAISUKE32013–2020
KIKURA MAKOTO22013
OBATA YUZO22013
Locations
LocationPatentsSpan
Kanagawa, JP42013–2020
Yokoyama, JP12002
Atsugi, JP11996