Inventor

SAKAGAWA YOSHIO

JP20 patents

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

SAKAGAWA YOSHIO

RICOH KK

Image forming apparatus

Image forming method and apparatus for effectively charging an image carrier

Electrifying apparatus, a processing unit, and an image formation apparatus

Development device for developing an electrostatic latent image formed on an image carrying member into a visible image

Process unit and image forming apparatus including the same

Cleaning of a charging member in an image forming apparatus

Image forming apparatus including a brush member to temporarily capture toner

Cleanerless image forming apparatus

Charging device for charging a surface of a latent image bearing member and an image forming apparatus including the charging device

Image forming method and apparatus which uses alternating voltage to form an electric field for moving toner

MINOLTA CO LTD

Image forming apparatus comprising a stapler relatively movable in the positions of the original discharge tray and the sheet discharge trays

Developing device having an AC current with two frequencies and method of using same

Developing apparatus having stop period during which no AC electric field is exerted between developer carrying member and image carrying member

Developing device which accomplishes development using the action of an alternating current field between a developer-carrying member and an image-carrying member

Developing method

RICOH CO LTD

Image forming apparatus

Image forming apparatus

SHARP KK

Particle discharge apparatus and image forming apparatus

YAMAMOTO SHIN

Image forming apparatus including a controller configured to regulate a potential difference between a photoconductor and a developing member

SAKAGAWA YOSHIO

Developing device and image forming apparatus including same