P

Inventor

YOSHIDA YOSHINOBU

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

FUJI PHOTO FILM CO LTD

12 patents
US4584264AApr 22, 1986

Color photographic light-sensitive materials

FUJI PHOTO FILM CO LTD15 citations73
US4525451AJun 25, 1985

Color photographic light-sensitive material comprising phenol or naphthol having sulfamoylamino group

FUJI PHOTO FILM CO LTD12 citations73
US4358526ANov 9, 1982

Photographic light-sensitive sheet for the color diffusion transfer process

FUJI PHOTO FILM CO LTD7 citations73
US4268625AMay 19, 1981

Photographic light-sensitive element for the color diffusion transfer process

FUJI PHOTO FILM CO LTD8 citations73
US4717651AJan 5, 1988

Color photographic light-sensitive material

FUJI PHOTO FILM CO LTD6 citations62
US4594313AJun 10, 1986

Color image forming process comprising blocked magenta dye forming coupler

FUJI PHOTO FILM CO LTD6 citations62
US4530899AJul 23, 1985

Color photographic materials with phenol or naphthol ring compound having sulfoamido group

FUJI PHOTO FILM CO LTD3 citations62
US4268624AMay 19, 1981

Photographic light-sensitive sheet for the color diffusion transfer process

FUJI PHOTO FILM CO LTD6 citations62
US4255509AMar 10, 1981

Photographic light-sensitive sheet for the color diffusion transfer process

FUJI PHOTO FILM CO LTD4 citations62
US4250246AFeb 10, 1981

Photographic light-sensitive sheet for the color diffusion transfer process

FUJI PHOTO FILM CO LTD5 citations62
US4052214AOct 4, 1977

Color diffusion transfer photographic light-sensitive material for forming both positive transfer dye images and negative dye images

FUJI PHOTO FILM CO LTD6 citations62
US4504577AMar 12, 1985

Silver halide photographic materials

FUJI PHOTO FILM CO LTD1 citations52

SEIKO EPSON CORP

3 patents