Inventor
OKUTSU EIICHI
44 patents
⚠️ This page may combine multiple inventors who share the name “OKUTSU EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
41 patentsUS5503965AApr 2, 1996
Process for development of black-and-white- silver halide photographic material
FUJI PHOTO FILM CO LTD24 citations92
US4740452AApr 26, 1988
Process for preparing negative images
FUJI PHOTO FILM CO LTD27 citations92
US4385108AMay 24, 1983
Method of forming negative dot images
FUJI PHOTO FILM CO LTD35 citations92
US4221857ASep 9, 1980
Process for producing a high contrast photographic image
FUJI PHOTO FILM CO LTD36 citations92
US6787298B2Sep 7, 2004
Photothermographic material
FUJI PHOTO FILM CO LTD13 citations84
US4668605AMay 26, 1987
Method for formation of high contrast negative images
FUJI PHOTO FILM CO LTD22 citations82
US4332878AJun 1, 1982
Photographic image-forming method
FUJI PHOTO FILM CO LTD27 citations82
US4452882AJun 5, 1984
Silver halide photographic materials and process of developing them
FUJI PHOTO FILM CO LTD24 citations80
US5994040ANov 30, 1999
Processing composition for silver halide photographic light-sensitive material, developer and processing method using the same
FUJI PHOTO FILM CO LTD12 citations74
US5691109ANov 25, 1997
Method for processing silver halide photographic materials, and developer and silver halide photographic material used therein
FUJI PHOTO FILM CO LTD6 citations74
US5648205AJul 15, 1997
Processing method for silver halide photographic material
FUJI PHOTO FILM CO LTD8 citations74
US5464730ANov 7, 1995
Low replenishment rate process of development of black-and-white silver halide photographic material using a developer having a low bromide ion concentration and a specified pH range
FUJI PHOTO FILM CO LTD7 citations74
US4997743AMar 5, 1991
Silver halide photographic material and method for forming image using the same
FUJI PHOTO FILM CO LTD7 citations74
US4839259AJun 13, 1989
Silver halide photographic material and method for forming an image using the same
FUJI PHOTO FILM CO LTD8 citations74
US4828968AMay 9, 1989
Method of developing photographic light-sensitive materials
FUJI PHOTO FILM CO LTD13 citations74
US4619886AOct 28, 1986
Process for forming high contrast negative image
FUJI PHOTO FILM CO LTD15 citations74
US4435500AMar 6, 1984
Method for developing silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD7 citations74
US4228234AOct 14, 1980
Method for maintaining the development activity of a photographic lithographic developer constant
FUJI PHOTO FILM CO LTD17 citations74
US7105282B2Sep 12, 2006
Image forming method using photothermographic material
FUJI PHOTO FILM CO LTD8 citations73
US4863830ASep 5, 1989
Process for hard tone development of silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD8 citations73
US4310622AJan 12, 1982
Photographic development process
FUJI PHOTO FILM CO LTD12 citations72
US7083908B2Aug 1, 2006
Photothermographic material
FUJI PHOTO FILM CO LTD4 citations63
US5948602ASep 7, 1999
Method for processing photographic silver halide photosensitive element
FUJI PHOTO FILM CO LTD6 citations63
US5457009AOct 10, 1995
Silver halide photographic material and method for processing the same
FUJI PHOTO FILM CO LTD6 citations63
US5298372AMar 29, 1994
Method for processing black-and-white silver halide photographic material
FUJI PHOTO FILM CO LTD4 citations63
US5102779AApr 7, 1992
Method for processing silver halide photographic materials, and developer and silver halide photographic material used therein
FUJI PHOTO FILM CO LTD2 citations63
US5039591AAug 13, 1991
Method for processing silver halide photographic materials
FUJI PHOTO FILM CO LTD3 citations63
US5004670AApr 2, 1991
High-contrast development process for silver halide photographic material
FUJI PHOTO FILM CO LTD3 citations63
US4859567AAug 22, 1989
Method of forming high contrast negative images
FUJI PHOTO FILM CO LTD3 citations63
US4833064AMay 23, 1989
Process for the formation of a high contrast negative image
FUJI PHOTO FILM CO LTD5 citations63
US5824458AOct 20, 1998
Developer and fixing solution for silver halide photographic material and processing method using the same
FUJI PHOTO FILM CO LTD6 citations62
US5821040AOct 13, 1998
Method for developing silver haide photographic material
FUJI PHOTO FILM CO LTD3 citations62
US4043817AAug 23, 1977
Method of forming photographic images for lithographic use
FUJI PHOTO FILM CO LTD6 citations62
US4455365AJun 19, 1984
Silver halide photographic material for photomechanical process and reduction processing method thereof
FUJI PHOTO FILM CO LTD5 citations61
US4108662AAug 22, 1978
Process for developing photographic light-sensitive materials for the graphic arts
FUJI PHOTO FILM CO LTD2 citations61
US5821041AOct 13, 1998
Liquid developer for photographic silver halide photosensitive material and development method
FUJI PHOTO FILM CO LTD6 citations60
US5508152AApr 16, 1996
Method for processing a silver halide photographic material
FUJI PHOTO FILM CO LTD6 citations59
US4113489ASep 12, 1978
Method of forming photographic line and half-tone images
FUJI PHOTO FILM CO LTD6 citations59
US7118851B2Oct 10, 2006
Silver halide emulsion and production process thereof
FUJI PHOTO FILM CO LTD0 citations52
US7049056B2May 23, 2006
Method for wrapping heat-developable photosensitive material
FUJI PHOTO FILM CO LTD0 citations52
US6994952B2Feb 7, 2006
Silver halide emulsion and production process thereof
FUJI PHOTO FILM CO LTD0 citations52
FUJIFILM CORP
3 patentsUS7179585B2Feb 20, 2007
Image forming method utilizing photothermographic material
FUJIFILM CORP4 citations63
US7977040B2Jul 12, 2011
Heat developable photosensitive material
FUJIFILM CORP0 citations42
US7410745B2Aug 12, 2008
Photothermographic material and image forming method using same
FUJIFILM CORP0 citations42