Inventor
ARAKI RYUICHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “ARAKI RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
17 patentsUS9860422B2Jan 2, 2018
Correction method for image forming apparatus
CANON KK2 citations72
US10241434B2Mar 26, 2019
Image forming apparatus and position detection method
CANON KK2 citations71
US10095171B2Oct 9, 2018
Image forming apparatus
CANON KK2 citations71
US10031459B2Jul 24, 2018
Image forming apparatus for correcting color misregistration
CANON KK5 citations71
US12595145B2Apr 7, 2026
Sheet property measurement device and image forming apparatus including sheet property measurement device
CANON KK0 citations61
US12116235B2Oct 15, 2024
Sheet property measurement device and image forming apparatus including sheet property measurement device
CANON KK0 citations61
US11614695B2Mar 28, 2023
Image forming apparatus and optical sensor
CANON KK0 citations61
US11126104B2Sep 21, 2021
Image forming apparatus and optical sensor with multiple light-receiving and light-emitting elements
CANON KK0 citations61
US12436100B2Oct 7, 2025
Moisture sensor and image forming apparatus
CANON KK0 citations51
US12265061B2Apr 1, 2025
Recording material detection device, image forming apparatus, and ultrasonic emission device
CANON KK0 citations51
US12572101B2Mar 10, 2026
Image forming apparatus including a sheet detection unit that detects physical properties of a sheet
CANON KK0 citations50
US11630408B2Apr 18, 2023
Apparatus and method for adjusting output value of optical sensor having light-receiving element that receives regularly-reflected light and diffusely-reflected light
CANON KK0 citations50
US10939017B2Mar 2, 2021
Image forming apparatus
CANON KK0 citations50
US9930214B2Mar 27, 2018
Correction method for image forming apparatus
CANON KK0 citations41
US10295924B2May 21, 2019
Image forming apparatus having controller for switching thresholds for deciding amount of color misregistration
CANON KK0 citations40
US9955040B2Apr 24, 2018
Image forming apparatus
CANON KK0 citations40
US9794445B2Oct 17, 2017
Image forming apparatus
CANON KK0 citations40