Inventor
TSUBOTA MOTOHIKO
12 patents
Patents
12 patentsUS4069048AJan 17, 1978
Diffusion transfer photographic materials with color developer scavenger
FUJI PHOTO FILM CO LTD8 citations72
US4542086ASep 17, 1985
Color diffusion transfer element with hydroquinone type compound
FUJI PHOTO FILM CO LTD2 citations62
US4486528ADec 4, 1984
Color diffusion transfer photographic element with redox dye releasers
FUJI PHOTO FILM CO LTD3 citations62
US4429031AJan 31, 1984
Color diffusion transfer photographic element
FUJI PHOTO FILM CO LTD5 citations62
US4178182ADec 11, 1979
Color diffusion-transfer photographic element
FUJI PHOTO FILM CO LTD5 citations62
US3930862AJan 6, 1976
Dye developer transfer photosensitive material with substituted catechol auxiliary developer
FUJI PHOTO FILM CO LTD4 citations61
US4124394ANov 7, 1978
Color diffusion transfer photographic materials with sulfone color developing agent scavengers
FUJI PHOTO FILM CO LTD2 citations60
US4267250AMay 12, 1981
Color diffusion transfer photographic element
FUJI PHOTO FILM CO LTD3 citations58
US4619889AOct 28, 1986
Image forming method
FUJI PHOTO FILM CO LTD2 citations53
US4032349AJun 28, 1977
High molecular weight mercapto compound in color diffusion transfer processing composition
FUJI PHOTO FILM CO LTD1 citations51
US4054456AOct 18, 1977
Diazo photographic materials containing 2-hydroxy 3-naphthanilide coupler
FUJI PHOTO FILM CO LTD0 citations47
US4495270AJan 22, 1985
Color diffusion transfer photographic element
FUJI PHOTO FILM CO LTD1 citations45