Konishiroku Photo Industry Co., Ltd.

Jun Kambara

Nin-ichi Kamogawa

Yuzo Ohmuro

Method for forming a toner image on a photosensitive material bearing an electrostatic latent image comprising

Method and device of developing an electrostatic latent image

Method and apparatus for developing electrostatic latent images comprising a developer which in turn is composed of a toner made up of resin and particles of magnetic materials having negative triboelectricity with respect to the resin dispersed in said resin. The developer is fed to a surface having magnets associated therewith for causing the developer to rise from the magnets in ear-like fashion to brush and deposit the developer on the latent image carrying surface.

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Hachioji, Japan

Jun Kambara