Inventor
SETO TAKASHI
JP87 patents
⚠️ This page may combine multiple inventors who share the name “SETO TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
21 patentsUS7203431B2Apr 10, 2007
Abnormality determining method, abnormality determining apparatus, and image forming apparatus
RICOH KK54 citations96
US7110917B2Sep 19, 2006
Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same
RICOH KK57 citations96
US6681096B2Jan 20, 2004
Image formation apparatus, printer, copying machine, and facsimile device
RICOH KK62 citations96
US4592651AJun 3, 1986
Copier with bookbinding function
RICOH KK88 citations96
US7554574B2Jun 30, 2009
Abnormal state occurrence predicting method, state deciding apparatus, and image forming system
RICOH KK29 citations93
US7327962B2Feb 5, 2008
Abnormality determining method, abnormality determining apparatus, and image forming apparatus
RICOH KK35 citations93
US6741831B2May 25, 2004
Image forming device and feed device
RICOH KK25 citations93
US6669189B2Dec 30, 2003
Image forming apparatus
RICOH KK49 citations93
US6345170B1Feb 5, 2002
Image forming apparatus for single-sided operation including a reversing device
RICOH KK41 citations92
US4640611AFeb 3, 1987
Copying method for bookbinding
RICOH KK36 citations92
US5263698ANov 23, 1993
Binding device for an image forming apparatus with cover sheet
RICOH KK35 citations91
US7831185B2Nov 9, 2010
Image forming apparatus capable of smooth transmission of recording medium
RICOH KK9 citations84
US7790343B2Sep 7, 2010
Process, toner, process cartridge and apparatus for developing a toner image
RICOH KK8 citations84
US7711300B2May 4, 2010
Image forming apparatus
RICOH KK11 citations84
US7711301B2May 4, 2010
Image transfer device for image forming apparatus
RICOH KK13 citations84
US7643767B2Jan 5, 2010
Transfer-fixing unit and image forming apparatus for enhanced image quality
RICOH KK13 citations84
US7551882B2Jun 23, 2009
Image forming apparatus equipping improved transfer fixing apparatus
RICOH KK16 citations84
US4942422AJul 17, 1990
Image reproducing device and transfer sheet used in the device
RICOH KK10 citations73
US4919531AApr 24, 1990
Image reproducing device
RICOH KK9 citations73
US5521679AMay 28, 1996
Image forming apparatus having clamp for conveying a recording medium
RICOH KK11 citations72
US5134429AJul 28, 1992
Instant photographic apparatus
RICOH KK8 citations71
SETO TAKASHI
6 patentsUS10082751B2Sep 25, 2018
Fixing device and image forming apparatus
SETO TAKASHI2 citations72
US9618886B2Apr 11, 2017
NIP formation assembly, fixing device, and image forming apparatus
SETO TAKASHI2 citations72
US8433230B2Apr 30, 2013
Image forming apparatus
SETO TAKASHI5 citations72
US11691835B2Jul 4, 2023
Conveying device, liquid applying apparatus, image forming apparatus, and post-processing apparatus
SETO TAKASHI0 citations62
US11402781B2Aug 2, 2022
Heating device, liquid applying apparatus, image forming apparatus, post-processing apparatus, and conveying device
SETO TAKASHI0 citations62
US8509675B2Aug 13, 2013
Image forming apparatus with adjustable recording medium heating
SETO TAKASHI3 citations62
YOSHINAGA HIROSHI
4 patentsUS10331062B2Jun 25, 2019
Image forming apparatus and image forming method
YOSHINAGA HIROSHI2 citations73
US10295939B2May 21, 2019
Fixing device including a pressure rotator and a thermal conduction aid, and image forming apparatus including the fixing device
YOSHINAGA HIROSHI2 citations73
US10042295B2Aug 7, 2018
Fixing device, image forming apparatus, and image forming method
YOSHINAGA HIROSHI4 citations73
US12422766B2Sep 23, 2025
Fixing device and image forming apparatus incorporating same
YOSHINAGA HIROSHI0 citations62
SAWADA KAZUNARI
4 patentsUS10295937B2May 21, 2019
Fixing device and image forming apparatus
SAWADA KAZUNARI2 citations72
US10025247B2Jul 17, 2018
Fixing device including a pressure pad with at least one mouth, and image forming apparatus incorporating same
SAWADA KAZUNARI3 citations72
US9874839B2Jan 23, 2018
Fixing device and image forming apparatus
SAWADA KAZUNARI2 citations72
US10241448B2Mar 26, 2019
Fixing device and image forming apparatus having nip pad including a center bend line
SAWADA KAZUNARI1 citations62
RICOH CO LTD
3 patentsUS10317823B2Jun 11, 2019
Fixing device and image forming apparatus having a thermal conduction aid contacting a nip formation pad
RICOH CO LTD3 citations73
US7869752B2Jan 11, 2011
Cleaning device, fixing device, and image forming apparatus
RICOH CO LTD4 citations63
US7856201B2Dec 21, 2010
Image transfer fixation apparatus and image formation apparatus
RICOH CO LTD3 citations63
SEKI TAKAYUKI
3 patentsUS10289037B2May 14, 2019
Fixing device and image forming apparatus
SEKI TAKAYUKI2 citations73
US10222732B2Mar 5, 2019
Fixing device having a lateral end heater and image forming apparatus incorporating same
SEKI TAKAYUKI2 citations73
US9989905B2Jun 5, 2018
Fixing device and image forming apparatus
SEKI TAKAYUKI2 citations73
TAKAGI HIROMASA
1 patentOGINO YASUHIKO
1 patentSANYO ELECTRIC CO
1 patentHASE TAKAMASA
1 patentYAMAMOTO TAKESHI
1 patentSAITO KAZUYA
1 patentKABATA TOSHIYUKI
1 patentFUJIMOTO IPPEI
1 patentHIROSE FUMIHIRO
1 patentShowing the top 50 of 87 patents by PatentIndex Score.