Inventor

SHIMIZU YOSHITAKE

JP22 patents

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

SHIMIZU YOSHITAKE

MITA INDUSTRIAL CO LTD

Positive charging color toner

Start developer and method of controlling toner density

Toner for developing statically charged images and process for preparation thereof

Toner composition and a method for preparing the same

Two-component developer

Toner composition

Toner for a two-component-type magnetic developing agent having excellent spent resistance

Electrophotographic toner

Developing process

Positive charging color toner

Two-component developer

Electrophotographic developer

Toner for a two-component type developer

Start developer and method of controlling toner density

Toner for a two-component-type magnetic developing agent having excellent spent resistance

Electrophotographic developer comprising resin coated carrier

Start developer

Toner for developing statically charged images and process for preparation thereof

Toner for a two-component type developer

RICOH KK

Method and apparatus for image forming capable of effectively regulating a toner layer, developing mechanism for the apparatus, and a process cartridge provided in the apparatus

HORITA HIROFUMI

Sheet feeder and image forming apparatus

RICOH CO LTD

Remaining amount of developer detection device, development device, process unit, and image forming apparatus