LexDanaLexDanabeta
Inventor

Masahiko Satoh

Inventor
Tokyo, JP

Overview

65→
Patents
1993–2021
Patent span
Physics
Primary field (CPC G)

Patents· 65 as inventor

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

G03Gprimary
G03GElectrography76%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%
Y10TTechnical subjects covered by former us classification4%
G11BInformation storage based on relative movement between record carrier and transducer3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors1%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables1%
D05BSewing1%
F27BFurnaces, kilns, ovens or retorts in general1%
PatentTitleYear
10,935,911Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same20219,983,526Fixing device and image forming apparatus including same20189,971,289Image forming apparatus20189,939,761Fixing device and image forming apparatus that include a separation aid disposed downstream from the fixing nip20189,927,748'Fixing device and image forming apparatus'20189,835,195Bolt-locking apparatus, mounting method thereof and mounting jig20179,811,031'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'20179,715,203'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'20179,507,306'Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same'20169,494,180'Bolt-locking apparatus, mounting method thereof and mounting jig'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'20169,367,010'Fixing device and image forming device'20169,291,967'Fixing device and image forming apparatus incorporating same'20169,239,559'Fixing device and image forming apparatus including same'20169,235,177'Fixing device and image forming apparatus incorporating same'20169,207,596'Image forming apparatus including a fixing device'20159,152,108'Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same'20159,141,047'Fixing device and image forming apparatus'20159,103,366'Bolt-locking apparatus, mounting method thereof and mounting jig'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'20159,042,761'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'20159,026,024'Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same'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'20158,971,779'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'20158,953,995'Fixing device and endless belt assembly'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'20148,886,103'Fixing device capable of minimizing damage of endless belt 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'20148,855,506'Image forming apparatus'20148,831,498'Fixing device and guide mechanism included therein'20148,422,897'Image forming apparatus'20138,385,793'Image forming apparatus preventing gaps between a conveyor belt and transfer sheet'20137,925,188'Development device, process cartridge, and image forming apparatus using the development device'20117,672,605'Transfer device and image forming apparatus'20107,630,659'Method and apparatus for image forming capable of effectively performing a charging process'20097,603,062'Conductive member, and charging roller, process cartridge and image forming apparatus using same'20097,574,153'Image forming method and apparatus including adjustable conveyance speed to prevent image shock jitter'20097,555,243'Charging member, process cartridge including the same, and image forming apparatus including the same'20097,466,949'Fixing device having a separation plate'20087,454,151'Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodology'20087,313,353'Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit'20077,254,361'Fixing apparatus and image-forming device'20077,242,897'Image forming apparatus, roller, belt, and fixing unit of image forming apparatus'20077,127,204'Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit'20067,120,107'Optical head for optical recording having a hologram element that generates multiple diffracted light beams of different orders'20066,771,925'Fixing device, web differential gear and image formation apparatus'20046,658,230'Fixing apparatus and image-forming device'20036,305,636'Web driving device'20016,118,608'Disk drive unit and error recovery method executing shorter error recovery procedure when write errors and reset instruction occur'20005,970,298'Fixing method and device with a controllable web system and image forming apparatus incorporating the method device and system'19995,727,486'Zig-zag sewing machine'19985,266,277'Fluidized bed gas dispersing device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2008Based in Chiba, JP· patent location history
1998–2021Based in Tokyo, JP· patent location history
1999–2008Based in Funabashi, JP· patent location history
2009–2013Based in Machida, JP· patent location history
2011–2021Patents assigned to RICOH CO LTD (41)· patent assignee history
2013–2018Patents assigned to SATOH MASAHIKO (38)· patent assignee history
2014–2018Patents assigned to YUASA SHUUTAROH (33)· patent assignee history
2014–2018Patents assigned to GOTOH HAJIME (32)· patent assignee history
2014–2018Patents assigned to HASE TAKAMASA (32)· patent assignee history
2015–2017Based in Nirasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD412011–2021
SATOH MASAHIKOself382013–2018
YUASA SHUUTAROH332014–2018
GOTOH HAJIME322014–2018
HASE TAKAMASA322014–2018
Locations
LocationPatentsSpan
Tokyo, JP491998–2021
Funabashi, JP61999–2008
Nirasaki, JP32015–2017
Machida, JP32009–2013
Chiba, JP21993–2008