Inventor
OIKAWA YUHEI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “OIKAWA YUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
29 patentsUS8919904B2Dec 30, 2014
Inkjet recording apparatus
CANON KK22 citations92
US9415588B1Aug 16, 2016
Ink-jet printing apparatus and ink-jet printing method
CANON KK7 citations84
US9114607B2Aug 25, 2015
Inkjet printing apparatus and driving method
CANON KK10 citations84
US7503638B2Mar 17, 2009
Ink jet printing apparatus, and device and method for recovering ejection performance of ink printing apparatus
CANON KK9 citations84
US11298937B2Apr 12, 2022
Printing apparatus and control method therefor
CANON KK2 citations73
US10766251B2Sep 8, 2020
Printing apparatus and discharge status judgment method
CANON KK2 citations73
US9656465B2May 23, 2017
Ink jet printing apparatus and ink jet printing method
CANON KK2 citations73
US9259921B2Feb 16, 2016
Ink jet printing apparatus, ink jet printing method, and non-transitory computer-readable storage medium
CANON KK2 citations63
US11919318B2Mar 5, 2024
Inkjet printing apparatus and inkjet printing method
CANON KK1 citations62
US11820136B2Nov 21, 2023
Printing apparatus and method of controlling same
CANON KK0 citations62
US11691415B2Jul 4, 2023
Printing apparatus and control method therefor
CANON KK0 citations62
US11351774B2Jun 7, 2022
Printing apparatus and discharge status judgment method
CANON KK0 citations62
US11192357B2Dec 7, 2021
Printing apparatus and method of controlling same
CANON KK0 citations62
US11141990B2Oct 12, 2021
Inkjet printing apparatus and inkjet printing method
CANON KK0 citations62
US11097535B2Aug 24, 2021
Printing apparatus and discharge status judgment method
CANON KK1 citations62
US8967768B2Mar 3, 2015
Inkjet printing apparatus and inkjet printing method
CANON KK3 citations60
US12583221B2Mar 24, 2026
Liquid ejection head and liquid ejection apparatus comprising the same
CANON KK0 citations52
US11440316B2Sep 13, 2022
Recording apparatus and determination method
CANON KK0 citations52
US10022961B2Jul 17, 2018
Ink jet printing apparatus and ink jet printing method
CANON KK0 citations52
US9180660B2Nov 10, 2015
Ink jet recording apparatus
CANON KK1 citations52
US9050794B2Jun 9, 2015
Printing apparatus and printing method
CANON KK0 citations52
US10875297B2Dec 29, 2020
Image forming apparatus and control method therefor
CANON KK0 citations42
US10836155B2Nov 17, 2020
Ink jet printing apparatus, control method thereof and storage medium
CANON KK0 citations42
US10308044B2Jun 4, 2019
Recording apparatus and recording method
CANON KK0 citations42
US9895894B2Feb 20, 2018
Ink jet printing apparatus and ink jet printing method
CANON KK0 citations42
US9873247B2Jan 23, 2018
Ink jet printing apparatus and ink jet printing method
CANON KK0 citations42
US9855743B2Jan 2, 2018
Inkjet recording apparatus and inkjet recording method
CANON KK0 citations42
US9738069B2Aug 22, 2017
Inkjet printing apparatus and inkjet printing method
CANON KK0 citations42
US9315058B2Apr 19, 2016
Image recording apparatus, image recording method, and non-transitory computer-readable storage medium
CANON KK0 citations42