Inventor
YOKOYAMA SEIJI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS6985677B2Jan 10, 2006
Image formation apparatus
CANON KK24 citations87
US7039337B2May 2, 2006
Image forming apparatus
CANON KK11 citations84
US9933743B2Apr 3, 2018
Recording material processing apparatus including alignment unit for aligning recording materials and image forming apparatus
CANON KK5 citations83
US10926971B2Feb 23, 2021
Image forming system for executing staple processing
CANON KK2 citations72
US9602690B2Mar 21, 2017
Image forming system, image forming apparatus and post processing apparatus
CANON KK2 citations72
US12264031B2Apr 1, 2025
Image forming system for executing staple processing
CANON KK0 citations62
US11603282B2Mar 14, 2023
Image forming system for executing staple processing
CANON KK0 citations62
US11480908B2Oct 25, 2022
Post-processing apparatus
CANON KK0 citations62
US11332338B2May 17, 2022
Image forming system for executing staple processing
CANON KK0 citations62
US11112743B2Sep 7, 2021
Recording material processing apparatus including alignment unit for aligning recording materials and image forming apparatus
CANON KK0 citations62
US10663905B2May 26, 2020
Post-processing apparatus
CANON KK1 citations62
US7590363B2Sep 15, 2009
Image forming apparatus and control method
CANON KK4 citations62
US9213280B2Dec 15, 2015
Image-forming apparatus supplying power to heat generating member using phase control and/or wave number control
CANON KK1 citations52
US12393148B2Aug 19, 2025
Image forming apparatus that detects attached state to main body of cassette accommodating sheet
CANON KK0 citations51
US10386772B2Aug 20, 2019
Recording material processing apparatus including alignment unit for aligning recording materials and imaging forming apparatus
CANON KK0 citations51
US9244418B2Jan 26, 2016
Image forming apparatus
CANON KK1 citations51
US11163254B2Nov 2, 2021
Image forming system for executing stapling process
CANON KK0 citations50
US7979021B2Jul 12, 2011
Image forming apparatus, sheet discharging device and method of controlling the sheet discharging device
CANON KK0 citations41
TOKYO ELECTRON LTD
5 patentsUS11211229B2Dec 28, 2021
Processing method and plasma processing apparatus
TOKYO ELECTRON LTD2 citations68
US10998223B2May 4, 2021
Method for processing target object
TOKYO ELECTRON LTD0 citations59
US11610766B2Mar 21, 2023
Target object processing method and plasma processing apparatus
TOKYO ELECTRON LTD0 citations48
US11721595B2Aug 8, 2023
Processing method and plasma processing apparatus
TOKYO ELECTRON LTD0 citations47
US10297496B2May 21, 2019
Method for processing target objection
TOKYO ELECTRON LTD0 citations38
YOKOYAMA SEIJI
3 patentsUS8973919B2Mar 10, 2015
Double-feed detection apparatus and image forming apparatus
YOKOYAMA SEIJI0 citations48
US8282095B2Oct 9, 2012
Double-feed detection apparatus and image forming apparatus
YOKOYAMA SEIJI0 citations48
US8440557B2May 14, 2013
Method for fabricating a semiconductor device by considering the extinction coefficient during etching of an interlayer insulating film
YOKOYAMA SEIJI0 citations37