Inventor

IGARASHI RYOSAKU

JP32 patents

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

IGARASHI RYOSAKU

FUJI XEROX CO LTD

Charge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic device

Electrophotographic photoreceptor

Charge-transporting polymer and organic electronic device using the same

Electrophotographic photoreceptor containing uniform and nonuniform charge transporting layers

Hydroxygallium phthalocyanine crystal, process for preparing same, and electrophotographic photoreceptor comprising same

Electrophotographic photosensitive member having S-type photo-induced potential decay and electrophotographic apparatus

Electrophotographic photoreceptor using triarylamine compounds

Method for preparing hydroxygallium phthalocyanine crystals and electrophotographic photoreceptor using the crystals

Hydroxygallium phthalocyanine crystal, process for preparing same

Triarylamine compounds useful in electrophotographic photoreceptors

Liquid developer, process cartridge, and image forming apparatus

Electrographic photosensitive member

Electrophotographic photoreceptor and electrophotographic apparatus

Image holding member for image forming apparatus, process cartridge, and image forming apparatus

Ink receiving particles, method for producing the same, and curable resin dispersion composition

Methoxy gallium phthalocyanine compound and electrophotographic photoreceptor using it

Electrophotographic photoreceptor

Electrophotographic photoreceptor

Electrophotographic photoreceptor comprising a squarylium compound and selenium or a selenium alloy

Method for determining termination time of the step of dispersing a coating composition for photosensitive layer of electrophotographic photoreceptor and electrophotographic photoreceptor prepared using the dispersion

INABA YOSHIHIRO

Liquid developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

Liquid developer, process cartridge, image forming apparatus, and image forming method

Liquid developer, method for producing liquid developer, and image forming apparatus

HIROSE HIDEKAZU

Image holding member for image forming apparatus, process cartridge, and image forming apparatus

Image holding member for image forming apparatus, process cartridge, and image forming apparatus

HORIBA KOJI

Toner, liquid developer, dry developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

Liquid developer, developer cartridge, image forming method, and image forming apparatus

MORI KEITARO

Developer supply device, process cartridge, and image forming apparatus

Image forming device and process cartridge

XEROX CORP

Photoconductive imaging members containing alkoxy-bridged metallophthalocyanine dimers

WATANABE YASUAKI

Magnetic latent image holding body, process cartridge, and image forming apparatus

KOBAYASHI TAKAKO

Particle dispersion liquid, particles, particle dispersion liquid cartridge, process cartridge, image forming apparatus, and image forming method