Keiji Ogi

Direct positive photographic material

Direct positive silver halide photographic material

Direct positive light-sensitive silver halide photographic material

Direct positive silver halide light-sensitive color photographic material

Photographic material with two size population of silver halide grains and development inhibiting agent in an emulsion layer

Method for the formation of a direct positive image

Direct positive image-forming process

Method for developing a silver halide color photographic light-sensitive material for color proof using a specified color developing agent

Light-sensitive, direct positive silver halide photographic material

Image forming method for forming a multicolor image from a half-tone dot exposure