LexDanaLexDanabeta
Inventor

Kazuyoshi Kondo

Inventor
Osaka, JP

Overview

61→
Patents
1981–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 61 as inventor

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

G03Gprimary
G03GElectrography36%
B41JTypewriters15%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables12%
B41MPrinting, duplicating, marking, or copying processes6%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
H04MTelephonic communication2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
Y10TTechnical subjects covered by former us classification2%
B21JForging1%
PatentTitleYear
11,073,215Gas supply system20219,358,817'Image forming apparatus including reading unit to read back surface of print medium opposing belt member'20169,315,045'Image forming apparatus configured for rolled printing media having adhesive face'20169,308,756'Image forming apparatus and method of setting print media'20169,186,920'Image forming apparatus with medium holding devices retractable to access transport path'20159,110,424'Image forming apparatus forming an image on adhesive face of print medium'20159,108,433'Image forming apparatus'20159,092,009'Image forming apparatus with natural ventilator'20159,055,648'LED lighting system, LED lamp, and illumination system for LED'20158,998,371'Image forming apparatus'20158,979,236'Image forming apparatus'20158,967,755'Image forming apparatus'20158,956,063'Image forming apparatus'20158,836,993'Image forming apparatus and image forming method'20148,831,463'Image forming apparatus'20148,807,552'Image forming apparatus, optional sheet feeder, and base plate member'20148,798,517'Sheet supplying device and image forming apparatus incorporating same'20148,582,999'Process cartridge and electrophotographic apparatus having electrical connection'20138,505,913'Sheet transport mechanism and electrophotographic image forming apparatus incorporating same'20138,424,863'Paper feeder and image forming apparatus'20138,413,982'Conveyer and image forming apparatus including the same'20138,417,142'Image forming apparatus having developing device cooling mechanism, and control method therefor'20138,417,174'Sheet feeding device and image forming apparatus incorporating same'20138,406,394'Advertisement delivery system, call control apparatus, and advertisement delivery method'20138,340,564'Sheet thickness detector and image forming apparatus using same'20128,322,718'Recording medium conveyer capable of effectively conveying recording medium of various types'20128,305,940'Telephone supplementary service communication control system'20128,260,187'Image forming device'20128,240,657'Sheet feeding device and image forming apparatus'20128,169,460'Image forming apparatus'20128,087,666'Sheet discharge device and image forming apparatus'20128,050,593'Image forming apparatus including a mechanism for reliably mounting a process unit'20118,020,848'Paper feeder and image forming apparatus'20118,010,012'Image forming apparatus including a latent image carrier and an exposing unit'20117,957,670'Image forming apparatus, image forming method, and supporting mechanism'20117,945,203'Waste-toner collecting device, process cartridge, and image forming apparatus'20117,941,069'Process cartridge having air inlets and outlets for cooling gears disposed in the process cartridge'20117,925,199'Image forming apparatus'20117,900,917'Recording medium conveyer capable of effectively conveying recording medium of various types'20117,899,360'Image forming apparatus, image forming method, and supporting mechanism'20117,854,418'Image forming apparatus including supporting legs'20107,852,638'Frame, electronic device, image forming apparatus, and frame assembly method'20107,844,196'Image forming apparatus'20107,835,661'Image forming apparatus'20107,751,749'Image forming apparatus'20107,706,716'Image forming apparatus including structural frame'20107,689,142'Image forming apparatus, and processing unit and latent image writing device mounted therein'20107,677,555'Sheet conveying apparatus and image forming apparatus with vibration applying unit'20107,611,106'Attaching structure of supporting legs for apparatus'20097,580,653'Image forming unit and moving unit'20097,555,244'Image forming apparatus with a latent image writing unit positioned and biased against positioning errors'20095,105,216'Process camera having improved focusing glass frame and the focusing glass frame thereof'19924,999,332'Heat-sensitive recording material'19914,874,740'Thermosensitive recording material'19894,742,042'Thermosensitive recording material'19884,644,374'Heat-sensitive recording material'19874,570,170'Thermosensitive recording material'19864,433,568'Precision closed-die forging method'19844,400,964'Method and device for continuous production of flanged hollow article'19834,299,112'Method and device for producing synchronizer ring'19814,245,491'Method and device for producing hollow articles having flanges'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Based in Okazaki, JP· patent location history
1986–2016Based in Tokyo, JP· patent location history
2009–2021Based in Osaka, JP· patent location history
2010–2016Patents assigned to RICOH CO LTD (40)· patent assignee history
2010–2013Based in Toyonaka, JP· patent location history
2012–2016Patents assigned to KONDO KAZUYOSHI (29)· patent assignee history
2012–2014Patents assigned to YAMAZAKI TOMOYOSHI (10)· patent assignee history
2012–2014Patents assigned to FUJIWARA HIROSHI (9)· patent assignee history
2012–2014Patents assigned to HONDA HARUYUKI (9)· patent assignee history
2012–2013Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD402010–2016
KONDO KAZUYOSHIself292012–2016
YAMAZAKI TOMOYOSHI102012–2014
FUJIWARA HIROSHI92012–2014
HONDA HARUYUKI92012–2014
Locations
LocationPatentsSpan
Osaka, JP262009–2021
Tokyo, JP181986–2016
Toyonaka, JP72010–2013
Okazaki, JP31981–1983
Kawasaki, JP22012–2013