LexDanaLexDanabeta
Inventor

Hajime Gotoh

Inventor
Kanagawa, JP

Overview

82→
Patents
1985–2021
Patent span
Physics
Primary field (CPC G)

Patents· 82 as inventor

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

G03Gprimary
G03GElectrography83%
Y10TTechnical subjects covered by former us classification3%
B29CShaping or joining of plastics1%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors1%
C08JWorking-up1%
D03DWoven fabrics1%
D04HMaking textile fabrics, e.g. from fibres or filamentary material1%
D21FPaper-making machines1%
D21HPulp compositions1%
PatentTitleYear
10,935,911Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same202110,345,747Fixing device and image forming apparatus incorporating same201910,001,735Fixing device and image forming apparatus20189,989,904Fixing device and image forming apparatus for preventing separation of a fixing rotator and a holder20189,983,526Fixing device and image forming apparatus including same20189,971,289Image forming apparatus20189,927,748'Fixing device and image forming apparatus'20189,811,031'Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same'20179,727,008'Fixing device and image forming apparatus including the fixing device'20179,715,197'Fixing device and image forming apparatus incorporating fixing device'20179,715,203'Fixing device and image forming apparatus including same'20179,690,243'Image forming apparatus including a fixing device that includes a radiant heat heating source and a fixing member that rotates before an abnormality solved'20179,575,444'Fixing device and image forming apparatus including same'20179,557,692'Fixing device and image forming apparatus'20179,535,380'Fixing device and image forming apparatus'20179,519,251'Fixing device and image forming apparatus comprising a multilayered twill fabric slide sheet'20169,507,306'Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same'20169,494,896'Fixing device with separation plate and image forming apparatus thereof'20169,454,114'Fixing device and image forming apparatus including same'20169,405,250'Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same'20169,405,270'Fixing device and image forming apparatus incorporating same'20169,405,242'Fixing device and image forming device'20169,367,010'Fixing device and image forming device'20169,341,999'Image forming apparatus which adjusts a time interval between successive recording media and the changing time at which the time interval is changed'20169,342,003'Fixing device for an image forming apparatus including a rotatable driver to define a driving span in an axial direction of the driver'20169,316,972'Fixing device and image forming apparatus incorporating same'20169,291,967'Fixing device and image forming apparatus incorporating same'20169,239,559'Fixing device and image forming apparatus including same'20169,239,553'Fixing device and image forming apparatus'20169,235,177'Fixing device and image forming apparatus incorporating same'20169,207,596'Image forming apparatus including a fixing device'20159,164,443'Fixing device and image forming apparatus'20159,158,248'Fixing device and image forming apparatus'20159,158,250'Fixing device and image forming apparatus'20159,152,108'Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same'20159,146,508'Fixing device, image forming apparatus, and fixing method'20159,141,047'Fixing device and image forming apparatus'20159,116,481'Fixing device including a reflector and image forming apparatus'20159,104,156'Fixing device and image forming apparatus incorporating same'20159,069,304'Image forming apparatus'20159,063,493'Fixing device'20159,063,480'Fixing device, image forming device, and separating member'20159,052,658'Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same'20159,046,838'Fixing device and image forming apparatus'20159,046,837'Fixing device and method, and image forming apparatus incorporating same'20159,046,839'Fixing device including a heat shield and image forming apparatus'20159,042,761'Fixing device and image forming apparatus'20159,037,008'Fixing device and image forming apparatus including same'20159,031,485'Fixing device and endless belt assembly'20159,031,439'Fixing device and image forming device'20159,026,024'Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same'20159,026,025'Fixing device including heating span adjuster, image forming apparatus, and fixing method'20159,008,558'Separator and separation device, fixing device, and image forming apparatus incorporating same'20158,989,643'Fixing device with endless belt and image forming apparatus incorporating same'20158,983,353'Fixing apparatus and image forming apparatus'20158,971,779'Fixing device with support and image forming apparatus incorporating same'20158,958,710'Fixing device, image forming apparatus incorporating same, and fixing method'20158,953,994'Fixing device and image forming apparatus incorporating same'20158,953,993'Fixing device and image forming apparatus incorporating same'20158,953,995'Fixing device and endless belt assembly'20158,929,789'Fixing device with resistance heating element capable of accurately generating heat and image forming apparatus with fixing device'20158,929,791'Fixing device and endless belt assembly'20158,918,042'Fixing device and image forming apparatus including the fixing device'20148,909,117'Fixing device and image forming apparatus incorporating same'20148,903,296'Fixing device and image forming apparatus incorporating same'20148,886,101'Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same'20148,886,090'Fixing device including an engagement-disengagement unit and image forming apparatus equipped with the fixing device'20148,886,103'Fixing device capable of minimizing damage of endless belt and image forming apparatus incorporating same'20148,873,984'Fixing device, image forming apparatus incorporating same, and fixing method'20148,855,506'Image forming apparatus'20148,831,498'Fixing device and guide mechanism included therein'20148,792,797'Fixing device, image forming apparatus, and heater control method'20148,761,650'Fixing device and image forming apparatus'20148,725,038'Belt assembly, fixing device, and image forming apparatus incorporating same'20148,682,218'Fixing device and image forming apparatus incorporating same'20148,676,103'Fixing device and image forming apparatus incorporating same'20148,676,104'Fixing device and image forming apparatus'20148,655,211'Fixing device and image forming apparatus incorporating same'20145,171,620'Honeycomb core'19925,143,569'Method for manufacturing a three dimensional laminate from double pile fabrics'19924,713,276'Paper-like product, method and apparatus for production thereof and prepreg formed of said paper-like product'19874,525,029'Rear projection screen'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1992Based in Nagoya, JP· patent location history
2014–2021Patents assigned to RICOH CO LTD (76)· patent assignee history
2014–2019Patents assigned to GOTOH HAJIME (71)· patent assignee history
2014–2019Patents assigned to IMADA TAKAHIRO (71)· patent assignee history
2014–2019Patents assigned to SESHITA TAKUYA (66)· patent assignee history
2014–2018Patents assigned to SHIMOKAWA TOSHIHIKO (62)· patent assignee history
2014–2021Based in Kanagawa, JP· patent location history
2017–2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD762014–2021
GOTOH HAJIMEself712014–2019
IMADA TAKAHIRO712014–2019
SESHITA TAKUYA662014–2019
SHIMOKAWA TOSHIHIKO622014–2018
Locations
LocationPatentsSpan
Kanagawa, JP762014–2021
Nagoya, JP41985–1992
Tokyo, JP22017–2018