Inventor

ISHIKAWA YOSHIMICHI

JP37 patents

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

ISHIKAWA YOSHIMICHI

RICOH CO LTD

Toner and image forming method using the toner

Image forming method and apparatus

Toner and method for producing the same, toner kit, and developer, process cartridge, image forming method and image forming apparatus

Image forming apparatus

Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge

Toner and image forming method

Pulverized toner

Toner for developing electrostatic image, and image forming apparatus and process cartridge using the toner

Semiconductive member, and developing roll, charging roll, transfer belt, and image forming apparatus using same

FUKAO TOMOHIRO

Toner, image forming apparatus, image forming method and process cartridge

Electrostatic image developing toner, developer, and image forming apparatus

Electrostatic image developing toner, toner container and process cartridge

Electrostatic image developing toner, image forming apparatus, image forming method, and process cartridge

Image forming apparatus and process cartridge

RICOH KK

Toner and method of preparing the toner

Toner for developing a latent electrostatic image, image-forming method, image-forming apparatus and process cartridge using the same

Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner

Developing device, image developing method, image forming apparatus, image forming method, and process cartridge

YAMAMOTO ATSUSHI

Toner for developing latent electrostatic image, process cartridge and image forming method

Toner and method of manufacturing the same

Toner and method for producing the same

Method for producing colored resin particles, colored resin particles, developer, image forming apparatus, image forming method, and process cartridge

NOZAKI TSUYOSHI

Toner, developer and method for producing toner

Toner and method for producing the same, toner container, developer, image forming apparatus and process cartridge

Toner

Toner, developing device, and process cartridge

ISHIKAWA YOSHIMICHI

Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus

Toner and image forming apparatus

Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method

MIKI TOMOHARU

Latent electrostatic image developing toner

Toner, image forming apparatus, and process cartridge

KADOTA TAKUYA

Toner, developer, developing device, process cartridge, image forming apparatus, image forming method, and method of manufacturing toner

Image forming apparatus, image forming method and process cartridge

YASUNAGA HIDEAKI

Developing roller, developing device, process cartridge, and image forming apparatus

MURAKAMI HIROYUKI

Image forming method and apparatus

FUWA KAZUOKI

Toner, and image forming method, process cartridge, and image forming apparatus using the toner

MIKURIYA YOSHIHIRO

Colored resin particle and method for producing the same