Inventor
YAMAWAKI KENTARO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “YAMAWAKI KENTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
29 patentsUS10545422B2Jan 28, 2020
Toner
CANON KK39 citations97
US10503090B2Dec 10, 2019
Toner
CANON KK41 citations97
US10429757B2Oct 1, 2019
Toner
CANON KK41 citations97
US10303074B2May 28, 2019
Toner
CANON KK41 citations97
US11003105B2May 11, 2021
Toner and toner manufacturing method
CANON KK21 citations94
US11003104B2May 11, 2021
Toner
CANON KK21 citations94
US10976679B2Apr 13, 2021
Toner
CANON KK21 citations94
US10942466B2Mar 9, 2021
Toner with an external additive of an organosilicon polymer particle having a hydroxyl group
CANON KK21 citations94
US9366981B2Jun 14, 2016
Toner and toner production method
CANON KK27 citations93
US9341967B2May 17, 2016
Method for producing toner particles
CANON KK24 citations92
US11169460B2Nov 9, 2021
Toner
CANON KK19 citations86
US10942465B2Mar 9, 2021
Toner
CANON KK14 citations86
US10976678B2Apr 13, 2021
Toner
CANON KK15 citations85
US10747130B2Aug 18, 2020
Process cartridge and electrophotographic apparatus
CANON KK16 citations85
US10809639B2Oct 20, 2020
Toner
CANON KK10 citations83
US11947280B2Apr 2, 2024
Image forming apparatus
CANON KK1 citations73
US11573519B2Feb 7, 2023
Electrophotographic apparatus and process cartridge
CANON KK4 citations73
US9864290B2Jan 9, 2018
Toner for electrophotographic processes and electrostatic printing processes
CANON KK4 citations73
US11650516B2May 16, 2023
Developing apparatus, electrophotography process cartridge, and electrophotographic image forming apparatus
CANON KK2 citations72
US10754265B2Aug 25, 2020
Image forming apparatus
CANON KK2 citations71
US12443129B2Oct 14, 2025
Image forming apparatus with simplified developer replenishment structure and that is user-friendly
CANON KK0 citations62
US12077687B2Sep 3, 2024
Hot-melt adhesive and method for producing bonded article
CANON KK0 citations62
US11493859B2Nov 8, 2022
Image forming apparatus
CANON KK1 citations62
US11003106B2May 11, 2021
Process cartridge and image forming apparatus
CANON KK1 citations62
US11841681B2Dec 12, 2023
Toner
CANON KK0 citations59
US11960242B2Apr 16, 2024
Toner
CANON KK0 citations51
US10852662B2Dec 1, 2020
Developing device, process cartridge and image forming apparatus
CANON KK0 citations49
US12210317B2Jan 28, 2025
Toner, external additive for toner, and fine particle
CANON KK0 citations48
US10732534B2Aug 4, 2020
Process cartridge and image forming apparatus
CANON KK0 citations41