P

Inventor

FUJII YASUMASA

JP61 patents
⚠️ This page may combine multiple inventors who share the name “FUJII YASUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROTHER IND LTD

45 patents
US9261857B2Feb 16, 2016

Developing cartridge having electrode

BROTHER IND LTD22 citations96
US10649363B2May 12, 2020

Developing cartridge having electrode

BROTHER IND LTD12 citations94
US10775713B2Sep 15, 2020

Developing cartridge having electrode

BROTHER IND LTD9 citations93
US10444659B2Oct 15, 2019

Developing cartridge having electrode

BROTHER IND LTD13 citations93
US10133207B2Nov 20, 2018

Developing cartridge having electrode

BROTHER IND LTD16 citations93
US9733589B2Aug 15, 2017

Developing cartridge having electrode

BROTHER IND LTD19 citations93
US9395681B2Jul 19, 2016

Developing cartridge having electrode

BROTHER IND LTD20 citations93
US10151998B2Dec 11, 2018

Developing cartridge having electrode

BROTHER IND LTD14 citations92
US11567423B2Jan 31, 2023

Developing cartridge having electrode

BROTHER IND LTD5 citations86
US11906908B2Feb 20, 2024

Developing cartridge having electrode

BROTHER IND LTD2 citations84
US11480889B2Oct 25, 2022

Developing cartridge having electrode

BROTHER IND LTD4 citations84
US11150573B2Oct 19, 2021

Developing cartridge having electrode

BROTHER IND LTD6 citations84
US10459366B2Oct 29, 2019

Developing cartridge having electrode

BROTHER IND LTD2 citations84
US10444698B2Oct 15, 2019

Image forming apparatus including drum cartridge including swing plate configured to support developing cartridge

BROTHER IND LTD5 citations84
US10429763B2Oct 1, 2019

Developing cartridge having electrode

BROTHER IND LTD2 citations84
US9547253B2Jan 17, 2017

Developing cartridge having electrode

BROTHER IND LTD2 citations84
US9423765B2Aug 23, 2016

Developing cartridge having electrode

BROTHER IND LTD5 citations84
US9020398B2Apr 28, 2015

Developing cartridge including developing gear cover

BROTHER IND LTD7 citations84
US9020399B2Apr 28, 2015

Developing cartridge including developing gear cover

BROTHER IND LTD3 citations74
US9020396B2Apr 28, 2015

Developing cartridge including developing gear cover

BROTHER IND LTD3 citations74
US9020397B2Apr 28, 2015

Developing cartridge including developing gear cover

BROTHER IND LTD3 citations74
US8977163B2Mar 10, 2015

Developing cartridge

BROTHER IND LTD3 citations74
US12032306B2Jul 9, 2024

Developing cartridge having electrode

BROTHER IND LTD2 citations73
US10871744B2Dec 22, 2020

Image forming apparatus

BROTHER IND LTD1 citations73
US12449743B2Oct 21, 2025

Developing cartridge having electrode

BROTHER IND LTD0 citations63
US12055887B2Aug 6, 2024

Image forming apparatus

BROTHER IND LTD0 citations63
US11709456B2Jul 25, 2023

Image forming apparatus

BROTHER IND LTD0 citations63
US11460804B2Oct 4, 2022

Image forming apparatus

BROTHER IND LTD0 citations63
US12372899B2Jul 29, 2025

Image forming apparatus

BROTHER IND LTD0 citations62
US12313983B2May 27, 2025

Developing cartridge having electrode

BROTHER IND LTD0 citations62
US11789381B2Oct 17, 2023

Image forming apparatus including toner cartridge and drum cartridge

BROTHER IND LTD0 citations62
US11333998B2May 17, 2022

Image forming apparatus including toner cartridge and drum carir 11 ge

BROTHER IND LTD0 citations62
US11307511B2Apr 19, 2022

Developing cartridge having electrode

BROTHER IND LTD0 citations62
US11231660B2Jan 25, 2022

Developing cartridge having electrode

BROTHER IND LTD0 citations62
US10884351B2Jan 5, 2021

Developing cartridge having electrode

BROTHER IND LTD0 citations62
US10838348B2Nov 17, 2020

Developing cartridge including developing gear cover

BROTHER IND LTD0 citations52
US10838354B2Nov 17, 2020

Image forming apparatus including drum cartridge including swing plate configured to support developing cartridge

BROTHER IND LTD0 citations52
US10824090B2Nov 3, 2020

Developing cartridge having electrode

BROTHER IND LTD0 citations52
US10747145B2Aug 18, 2020

Image forming apparatus including toner cartridge and drum cartridge

BROTHER IND LTD0 citations52
US10379488B2Aug 13, 2019

Developing cartridge including developing gear cover

BROTHER IND LTD0 citations52
US9529320B2Dec 27, 2016

Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the same

BROTHER IND LTD0 citations52
US9494913B2Nov 15, 2016

Developing cartridge including developing gear cover

BROTHER IND LTD0 citations52
US9213308B2Dec 15, 2015

Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the same

BROTHER IND LTD0 citations52
US9069327B2Jun 30, 2015

Developing cartridge including developing gear cover

BROTHER IND LTD0 citations52
US9958818B2May 1, 2018

Fixing device comprising endless belt and rotary body

BROTHER IND LTD0 citations51

FUJII YASUMASA

2 patents
US8862027B2Oct 14, 2014

Developing cartridge including developing gear cover

FUJII YASUMASA7 citations83
US9063457B2Jun 23, 2015

Roller cover and cartridge

FUJII YASUMASA0 citations51

MITSUI PETROCHEMICAL IND

2 patents
US4966929AOct 30, 1990

Composition having damping property, damping member, process for preparation of damping member and method of using damping member

MITSUI PETROCHEMICAL IND11 citations73
US5227234AJul 13, 1993

Thermal adhesive vibration damping sheets

MITSUI PETROCHEMICAL IND4 citations59

MORI HIROKI

1 patent
USD718380SNov 25, 2014

Toner cartridge

MORI HIROKI15 citations84

Showing the top 50 of 61 patents by PatentIndex Score.