Inventor

KAWAKAMI EIJI

JP11 patents

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

FUJI XEROX CO LTD

4 patents

US7892717B2Feb 22, 2011

Toner for electrostatic image development, electrostatic image developer and image forming method using the same

FUJI XEROX CO LTD4 citations62

US7422834B2Sep 9, 2008

Electrostatic latent image developing magenta toner, electrostatic latent image developer, toner manufacturing method, and image forming method

FUJI XEROX CO LTD6 citations61

US9389527B2Jul 12, 2016

Inorganic particle, electrostatic charge image developing toner, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus

FUJI XEROX CO LTD0 citations51

US8916321B2Dec 23, 2014

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus

FUJI XEROX CO LTD1 citations51

KAWAKAMI EIJI

3 patents

US8945806B2Feb 3, 2015

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method

KAWAKAMI EIJI0 citations48

US8741516B2Jun 3, 2014

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method

KAWAKAMI EIJI0 citations48

US8728695B2May 20, 2014

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method

KAWAKAMI EIJI0 citations47

FUJIFILM BUSINESS INNOVATION CORP

2 patents

US12298711B2May 13, 2025

Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus

FUJIFILM BUSINESS INNOVATION CORP0 citations61

US12105470B2Oct 1, 2024

Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

FUJIFILM BUSINESS INNOVATION CORP0 citations61

IIDA YOSHIFUMI

1 patent

US8911923B2Dec 16, 2014

Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method

IIDA YOSHIFUMI0 citations49

ANNO SHINTARO

1 patent

US8741528B2Jun 3, 2014

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method

ANNO SHINTARO0 citations47