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Inventor

Susumu Okui

Inventor
Hachioji, JP

Overview

17→
Patents
1987–2013
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G03Gprimary
G03GElectrography56%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them22%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables15%
B41JTypewriters4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
8,588,637'Image forming apparatus with roller formed in inverted crown shape'20138,422,928'Fixing unit with auxiliary heating member and surface recovery member, and image forming apparatus'20138,401,413'Image forming device having a moving section'20137,357,584'Sheet transport device'20087,130,575'Image forming apparatus'20066,711,376'Manual feed apparatus'20046,522,861'Color image forming apparatus'20036,484,003'Color image forming apparatus with rack having detachable units'20025,931,455'Sheet feeding apparatus and two side image forming apparatus therewith'19995,331,386'Recording sheet conveyance device for use with an image forming apparatus'19945,307,116'Image forming apparatus provided with unit locking means'19945,118,092'Document feeding apparatus'19925,004,223'Document conveyance apparatus facilitating conveyance belt replacement'19914,944,504'Document feeding apparatus'19904,935,780'Document feeding apparatus and reproducing machine having document feeding apparatus'19904,921,239'Document feeding apparatus'19904,705,389'Method for both-side copying and apparatus therefore'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2004Patents assigned to KONISHIROKU PHOTO IND (12)· patent assignee history
1987–2013Based in Hachioji, JP· patent location history
1990–2002Based in Tokyo, JP· patent location history
2006–2013Patents assigned to KONICA MINOLTA BUSINESS TECH (5)· patent assignee history
2013Patents assigned to OKUI SUSUMU (3)· patent assignee history
2013Patents assigned to MARUKO MASAMI (2)· patent assignee history
2013Patents assigned to NAKAMURA MASAKAZU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND121987–2004
KONICA MINOLTA BUSINESS TECH52006–2013
OKUI SUSUMUself32013
MARUKO MASAMI22013
NAKAMURA MASAKAZU12013
Locations
LocationPatentsSpan
Hachioji, JP151987–2013
Tokyo, JP21990–2002