P

Inventor

FUJINO Toshiki

JP33 patents
⚠️ This page may combine multiple inventors who share the name “FUJINO Toshiki”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

24 patents
US9377716B2Jun 28, 2016

Unit and image forming apparatus

CANON KK17 citations92
US9128417B2Sep 8, 2015

Unit and image forming apparatus

CANON KK24 citations92
US11822265B2Nov 21, 2023

Toner container and image forming system

CANON KK6 citations86
US11662673B2May 30, 2023

Toner container having nozzle and projection at bottom of container and image forming system using container

CANON KK7 citations86
US11592766B2Feb 28, 2023

Toner container and image forming system

CANON KK10 citations86
US11392082B2Jul 19, 2022

Cartridge with a mechanism for transmitting a force to a developing roller of the cartridge

CANON KK11 citations84
US10877434B2Dec 29, 2020

Cartridge, rotary unit, and image forming apparatus

CANON KK8 citations84
US10444702B2Oct 15, 2019

Cartridge, rotary unit, and image forming apparatus

CANON KK10 citations84
US9678457B2Jun 13, 2017

Cartridge, rotary unit, and image forming apparatus

CANON KK6 citations84
US10427867B2Oct 1, 2019

Packing member and cartridge packed in the packing member

CANON KK11 citations83
US9708116B2Jul 18, 2017

Packing member and cartridge packed in the packing member

CANON KK12 citations83
US9423767B2Aug 23, 2016

Packing member and cartridge packed in the packing member

CANON KK12 citations83
US11906927B2Feb 20, 2024

Cartridge, drum unit and image forming apparatus

CANON KK3 citations75
US12140884B2Nov 12, 2024

Toner container and image forming system

CANON KK1 citations73
US12038716B2Jul 16, 2024

Cartridge, drum unit and image forming apparatus

CANON KK1 citations73
US12032330B2Jul 9, 2024

Cartridge, drum unit and image forming apparatus

CANON KK1 citations73
US10120332B2Nov 6, 2018

Cartridge, rotary unit, and image forming apparatus

CANON KK2 citations73
US12449759B2Oct 21, 2025

Cartridge, drum unit and image forming apparatus

CANON KK0 citations63
US12169376B2Dec 17, 2024

Toner cartridge and image forming apparatus

CANON KK1 citations63
US9146526B2Sep 29, 2015

Unit, cleaning unit, process cartridge, and image forming apparatus

CANON KK2 citations63
US12072669B2Aug 27, 2024

Cartridge having a member for transmitting a driving force for rotating a developing roller

CANON KK1 citations61
US9348264B2May 24, 2016

Unit, cleaning unit, process cartridge, and image forming apparatus

CANON KK1 citations52
US12510847B2Dec 30, 2025

Toner cartridge, image forming apparatus, and remanufacturing method of used toner cartridge

CANON KK0 citations50
US9639053B2May 2, 2017

Image forming apparatus and cartridge group

CANON KK0 citations42

HITACHI INT ELECTRIC INC

5 patents

MITSUBISHI ELECTRIC CORP

3 patents

KOKUSAI ELECTRIC CORP

1 patent