Inventor
SAITO FUMIYOSHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SAITO FUMIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
16 patentsUS9405229B1Aug 2, 2016
Developing device
CANON KK7 citations83
US9658573B2May 23, 2017
Developing unit
CANON KK5 citations72
US9645527B2May 9, 2017
Image forming apparatus having toner content sensor
CANON KK4 citations72
US9599926B2Mar 21, 2017
Developing unit
CANON KK5 citations72
US9291945B2Mar 22, 2016
Developing unit
CANON KK3 citations72
US10642192B2May 5, 2020
Developing device having a feeding screw with multiple blade portions
CANON KK6 citations70
US10191409B2Jan 29, 2019
Image forming apparatus having controlled toner discharge amount
CANON KK1 citations62
US10345750B2Jul 9, 2019
Image forming apparatus
CANON KK1 citations61
US9354577B2May 31, 2016
Image forming apparatus
CANON KK2 citations61
US11841635B2Dec 12, 2023
Developing device
CANON KK0 citations51
US9897959B2Feb 20, 2018
Image forming apparatus with forced consumption mode for toner
CANON KK1 citations51
US9804527B2Oct 31, 2017
Sealing apparatus for developing device
CANON KK1 citations51
US9557683B2Jan 31, 2017
Image forming apparatus with forced supply mode for forcedly supplying toner
CANON KK1 citations51
US11846892B2Dec 19, 2023
Developing device
CANON KK0 citations50
US10303090B2May 28, 2019
Developing apparatus
CANON KK0 citations41
US9377740B2Jun 28, 2016
Image forming apparatus supplying toner based on toner density of developer contained in containing unit and method for controlling image forming apparatus
CANON KK0 citations40
MAKITA CORP
5 patentsUS12594643B2Apr 7, 2026
Tool
MAKITA CORP0 citations62
US12030170B2Jul 9, 2024
Electric power tool
MAKITA CORP1 citations61
US12246410B2Mar 11, 2025
Electric power tool
MAKITA CORP0 citations52
US12384001B2Aug 12, 2025
Electric tool
MAKITA CORP0 citations51
US12103127B2Oct 1, 2024
Power tool
MAKITA CORP0 citations50
DAINICHISEIKA COLOR CHEM
3 patentsUS5740079AApr 14, 1998
Method for determining colorimetric value
DAINICHISEIKA COLOR CHEM37 citations88
US7027186B2Apr 11, 2006
Method for evaluating reproducibility of toning sample by CCM
DAINICHISEIKA COLOR CHEM17 citations77
US7148900B2Dec 12, 2006
CCM calculating system, CCM calculating method and recording medium
DAINICHISEIKA COLOR CHEM0 citations41