Inventor

SAWAYAMA NOBORU

JP38 patents

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

SAWAYAMA NOBORU

RICOH KK

Image forming apparatus and image forming method for forming color images by gray-level image forming technique

Color toner density sensor and image forming apparatus using the same

Color toner density sensor and image forming apparatus using the same

Method and device for correcting a position for writing an image

Image forming equipment having improved toner sensing

Developing device for image forming equipment

Electrophotographic image forming apparatus which controls developer bias based on image irregularity

Image-information detecting device and image forming apparatus

Method and apparatus for image forming capable of effectively detecting toner density

Method and apparatus for image forming capable of controlling image-forming process conditions

Electrophotographic image forming apparatus, cleaning unit for the same and brush roller for the same

Method and device for correcting a position for writing an image on a transport belt

Testing image density to control toner concentration and dynamic range in a digital copier

Image forming apparatus for controlling the dynamic range of an image

Color image forming equipment responsive to changes in ambient conditions

Method and apparatus for developing electrostatic latent image

Dry process developing apparatus

Image forming apparatus

Optical sensor and image forming apparatus that processes specular reflection light

Image forming method and apparatus with improved conversion capability of amount of toner adhesion

Alignment pattern detecting sensor, method of determining acceptance width of the alignment pattern detecting sensor, method of forming alignment pattern, and image forming apparatus

Image forming apparatus to form smooth image with inconspicuous granularity

Magnetic particle carrying apparatus

Agitating roller and restricting member for a developing device

Permeability detection apparatus, image forming apparatus or digital copier using the same, toner concentration detection apparatus, and electric conductivity detection apparatus

Toner density sensing device for image forming equipment

Toner recirculating and agitating device for dry process developing apparatus

Toner density control for multicolor electrophotographic copier

Image-forming device

Alignment pattern detecting sensor, method of determining acceptance width of the alignment pattern detecting sensor, method of forming alignment pattern, and image forming apparatus

Electrophotographic image formation apparatus

Image-forming device

RICOH CO LTD

Image forming apparatus and method of correcting deviation of shooting position

Image forming apparatus, landing position shift correction method, and landing position shift correction sheet member

MORINO TETSU

Image forming apparatus and impact position displacement correction method

Liquid-jet device, image forming apparatus, and method for adjusting landing positions of liquid droplets

RICOH COMAPANY LTD

Image forming method and apparatus for the same

HIROTA TETSURO

Image forming apparatus and defective nozzle detection method