Inventor

HANAI SOSUKE

3 patents

Patents

3 patents

US4069048AJan 17, 1978

Diffusion transfer photographic materials with color developer scavenger

FUJI PHOTO FILM CO LTD8 citations72

US4131469ADec 26, 1978

Photographic element with polymeric ammonium mordant

FUJI PHOTO FILM CO LTD6 citations61

US4124394ANov 7, 1978

Color diffusion transfer photographic materials with sulfone color developing agent scavengers

FUJI PHOTO FILM CO LTD2 citations60