Inventor

ISHII YASUYUKI

JP85 patents

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

ISHII YASUYUKI

CANON KK

Service life informing device for charged member, informing method thereof, process cartridge and image forming apparatus

Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearing

Developing apparatus with a sealing member having an insulating layer and a conductive portion

Sheet-supplying roller recording device

Developing apparatus wherein seal-inflicted damage to an end edge of a developing roller is prevented

Simultaneous developing/cleaning device

Method of detecting life of image bearing member, image forming apparatus and cartridge

Method of detecting life of image bearing member, image forming apparatus and cartridge

Image-forming apparatus for use with negatively-charged toner and featuring a negatively-chargeable image-bearing member, and process cartridge using same

Image forming apparatus including image bearing member rotatable at different peripheral velocities

Developing apparatus using toner with conductive particles

Method of detecting life of image bearing member, image forming apparatus and cartridge

Image forming apparatus and process cartridge detachably attachable to image forming apparatus comprising an image bearing body, and a developer carrying body

Cleaning device and image forming apparatus using the cleaning device

Developing apparatus

Charging apparatus and image forming apparatus

Recording sheet manufacturing and storing method, recording sheet obtained by the method, and ink jet recording method using the recording sheet

Developer carrying member and developing apparatus

Developing apparatus and image forming apparatus

Image forming apparatus featuring a slide friction sheet for dispersing contamination from a charged rotary member

Developing apparatus

Developer regulation member and developing apparatus

Image forming apparatus, image forming apparatus control method, cartridge, and storage medium

Cleaning blade, cleaning device, process cartridge, and image forming apparatus using them

Developing apparatus for preventing developer from attaching to developer electrifying member

Ink jet recording apparatus with cartridge storage

BANYU PHARMA CO LTD

Spiro compounds

Spiro compounds

Imidazonline compounds

Spiro compounds

Spiro compounds

Spiro compounds

Spiro compounds

Spiro compounds

MERCK & CO INC

Spiro-indolines as Y5 receptor antagonists

Spiro-indolines as Y5 receptor antagonists

Spiro-indolines as Y5 receptor antagonists

NPY Y5 receptor antagonists

RICOH CO LTD

Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric field

Development unit, for image forming apparatus

Development device

Development apparatus and image forming apparatus using toner carrier with a plurality of electrodes

RICOH KK

Development device, process cartridge, and image forming apparatus

Filling-rate lowering and rolling rate adjusting image forming apparatus

Hopping toner development apparatus and image formation apparatus

HEWLETT PACKARD DEVELOPMENT CO

Image forming apparatus with lubricant applicator

Gap adjustment of non-contact charging roller

Imaging device

NAKAGAWA YOSHINORI

Developing device, process cartridge, and image forming apparatus

KADOTA ICHIRO

Development device and image forming apparatus having electrodes that cause toner particles to form a toner cloud on the surface of the toner carrier