Inventor

YAMASHITA MASAHIDE

JP70 patents

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

YAMASHITA MASAHIDE

RICOH KK

Full-color toner image fixing method and apparatus

Toner for developing electrostatic latent image and image forming method using same

Toner for developing latent electrostatic images, and image forming method and device

Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner

Electrophotographic toner, and image forming method and apparatus using the toner

Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner

Electrophotographic toner and image forming method using the toner

Toner for developing latent electrostatic images, binder resin for use in the toner, and image formation method using the toner

Image forming apparatus

Protective agent, image forming apparatus, and process cartridge

Carrier for electrophotographic developer

Developer for developing electrostatic latent image and image forming apparatus

Image forming apparatus, process cartridge and cleaningless system

Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge

Image forming apparatus controlling polarity of residual toner and process cartridge for use in the same

Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge

Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner

Two-component developer, image forming apparatus, and image forming method

Image forming apparatus having an intermediate transfer unit with a surface having reduced coefficient of friction

Electrophotograhic image forming method using an intermediate image transfer element

Intermediate transfer type image forming apparatus and an intermediate transfer medium therefor

One component developer developing method and dry toner therefor

Protective-agent applying device, process cartridge, and image forming apparatus

Protective layer setting unit, process cartridge, and image forming apparatus using same

Carrier, developer, image forming apparatus and process cartridge

Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container

Carrier, developer including the carrier, and image forming apparatus using the developer

Carrier, developer including the carrier and image forming apparatus using the developer

Toner image fixing method

Magenta color liquid developer for electrophotography

Process cartridge including photoconductor pre-coated with protective agent and image forming apparatus using same

Developer, and image forming method using the developer

Image forming apparatus with protective agent applying unit and process cartridge

RICOH CO LTD

Protective material and image forming apparatus using the protective material

Image-carrier protecting agent, protecting-layer forming device, image forming method, image forming apparatus, and process cartridge

Image forming apparatus having a function of predicting device deterioration based on a plurality of types of operation control information

Image-bearing member protecting agent, protective layer forming device, image forming method, image forming apparatus and process cartridge

Management device of an image forming apparatus

Lubricant coater, image bearing unit, and image forming apparatus

Image forming apparatus and protective agent block

Image forming apparatus and failure detection method therefor

NAKAZATO YASUSHI

Management apparatus, management system, operation status determination method, and image forming apparatus

Fault prediction method, fault prediction system, and image forming apparatus

Management device of an image forming apparatus

SATOH OSAMU

Image forming apparatus including a sound sensor to determine cleaning failure

Apparatus and method for generating a simulated image including an identified image abnormality

NIPPON TELEGRAPH & TELEPHONE

Data re-transmission management scheme with improved communication efficiency

TANAKA SHINYA

Protective agent for image bearing member, protective layer setting unit, and process cartridge

YAMASHITA MASAHIDE

Protecting agent for image bearing member and production method therefor, protection layer forming apparatus, image forming method, image forming apparatus, and process cartridge

KABATA TOSHIYUKI

Protective layer forming device, image forming apparatus, and process cartridge