Inventor
YOSHIBA DAISUKE
JP43 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIBA DAISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
37 patentsUS9606462B2Mar 28, 2017
Toner and method for manufacturing toner
CANON KK58 citations98
US7537877B2May 26, 2009
Toner used in electrophotography having toner particles and silica powder
CANON KK70 citations97
US10782623B2Sep 22, 2020
Toner
CANON KK23 citations94
US10578990B2Mar 3, 2020
Toner
CANON KK31 citations94
US10295921B2May 21, 2019
Toner
CANON KK44 citations94
US10289016B2May 14, 2019
Toner
CANON KK44 citations94
US10101683B2Oct 16, 2018
Toner and external additive for toner
CANON KK42 citations94
US9971263B2May 15, 2018
Toner
CANON KK46 citations94
US9829818B2Nov 28, 2017
Toner
CANON KK38 citations94
US9470993B2Oct 18, 2016
Magnetic toner
CANON KK53 citations94
US9341970B2May 17, 2016
Toner
CANON KK42 citations94
US9261804B2Feb 16, 2016
Toner
CANON KK41 citations94
US9250548B2Feb 2, 2016
Toner
CANON KK39 citations94
US9201323B2Dec 1, 2015
Toner
CANON KK47 citations94
US7855042B2Dec 21, 2010
Developer and image forming method
CANON KK51 citations94
US11181844B2Nov 23, 2021
Toner and method of producing toner
CANON KK21 citations93
US11099493B2Aug 24, 2021
Toner
CANON KK21 citations93
US10732529B2Aug 4, 2020
Positive-charging toner
CANON KK17 citations93
US7740998B2Jun 22, 2010
Positively chargeable developer
CANON KK37 citations93
US7544455B2Jun 9, 2009
Magnetic toner
CANON KK32 citations93
US7796926B2Sep 14, 2010
Developing apparatus and electrophotographic image-forming apparatus
CANON KK29 citations92
US7700254B2Apr 20, 2010
Toner with specified amounts of the THF-soluble matter having certain intrinsic viscosity
CANON KK41 citations91
US10942463B2Mar 9, 2021
Toner
CANON KK10 citations86
US11262666B2Mar 1, 2022
Positive-charging toner
CANON KK10 citations85
US11112708B2Sep 7, 2021
Toner
CANON KK19 citations83
US10162280B2Dec 25, 2018
Toner
CANON KK2 citations73
US9575461B2Feb 21, 2017
Process cartridge and image forming method using toner having properties for high image quality
CANON KK2 citations73
US12468236B2Nov 11, 2025
External additive for toner, and toner
CANON KK0 citations62
US12429789B2Sep 30, 2025
Toner and method for producing toner
CANON KK0 citations62
US12429790B2Sep 30, 2025
Toner and method for producing toner
CANON KK0 citations62
US12306579B2May 20, 2025
Toner
CANON KK0 citations52
US11614687B2Mar 28, 2023
Image forming apparatus and image forming method
CANON KK0 citations52
US11409233B2Aug 9, 2022
Image forming apparatus and process cartridge
CANON KK0 citations52
US11086245B2Aug 10, 2021
Image forming apparatus, process cartridge, and cartridge set
CANON KK0 citations52
US10025212B2Jul 17, 2018
Toner and external additive for toner
CANON KK1 citations52
US9500970B2Nov 22, 2016
Toner
CANON KK1 citations52
US7842447B2Nov 30, 2010
Toner
CANON KK0 citations42