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Inventor

Sho Sawahata

Inventor
Ibaraki, JP

Overview

27→
Patents
1998–2021
Patent span
Physics
Primary field (CPC G)

Patents· 27 as inventor

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

G03Gprimary
G03GElectrography43%
B41JTypewriters27%
B05CApparatus for applying fluent materials to surfaces, in general5%
B41FPrinting machines or presses5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
F26BDrying solid materials or objects by removing liquid therefrom3%
G02BOptical elements, systems or apparatus3%
H04NPictorial communication, e.g. television3%
LOC163%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
11,014,379Drying device and printing apparatus202110,603,929Drying device and image forming apparatus202010,442,213Drying device, liquid discharge apparatus, and treatment liquid applicator201910,384,472Drying device and printing apparatus201910,183,503Drying device and printing apparatus201910,118,411Drying device and printing apparatus20189,616,682'Process liquid coating apparatus and image forming system'20179,233,557'Coating apparatus and image forming system'20168,983,360'Method and system for printing having a web jam detecting unit'20158,787,817'Fixing device and image forming apparatus'20148,406,667'Fixing device, image forming apparatus, and fixing method using an oiling unit and removing member'20138,364,062'Fixing roller for fixing unit, fixing unit, image forming apparatus, roller replacement aid for fixing unit, and method of replacing fixing roller in fixing unit'20138,249,486'Fixing unit, roller replacement auxiliary tool of fixing unit, and image forming apparatus'20128,091,476'Web conveyance method and apparatus of tandem printing system'20127,953,335'Image forming apparatus and tandem image forming apparatus'20117,865,112'Electrophotographic printer'20117,844,210'Fixing apparatus and image forming apparatus using it'20107,747,209'Printing apparatus'20107,539,453'Printer capable of reserving sheet wrapping width'20097,424,251'Film driving apparatus and image forming apparatus using the same'20086,947,698'Fixing apparatus of electrophotographic printer'2005D0469462'Heater lamp unit for fixing toner in an image forming apparatus'20036,442,360'Lamp holder, and lamp cartridge using the same and fixing unit using the same'20026,393,248'Fixing device of image forming apparatus and fixing roller'20025,881,348'Release agent supplying member, release agent supplying apparatus and fixing apparatus using the same'19995,842,098'Fixing apparatus and fixing method for electrophotographic apparatus'19985,818,496'Exposure device of electrophotographic apparatus with optical path position deciding device'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to HITACHI KOKI KK (6)· patent assignee history
1998–2016Based in Ibaraki, JP· patent location history
1999Based in Ibarakai, JP· patent location history
2002–2011Based in Mito, JP· patent location history
2008–2012Based in Hitachinaka, JP· patent location history
2010–2021Patents assigned to RICOH CO LTD (17)· patent assignee history
2012–2021Patents assigned to SAWAHATA SHO (14)· patent assignee history
2012–2021Patents assigned to ONODERA KEN (9)· patent assignee history
2017–2021Based in Tokyo, JP· patent location history
2018–2021Patents assigned to YOSHINUMA TOSHIHIRO (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD172010–2021
SAWAHATA SHOself142012–2021
ONODERA KEN92012–2021
HITACHI KOKI KK61998–2003
YOSHINUMA TOSHIHIRO62018–2021
Locations
LocationPatentsSpan
Ibaraki, JP131998–2016
Tokyo, JP72017–2021
Hitachinaka, JP42008–2012
Mito, JP22002–2011
Ibarakai, JP11999