Inventor

Nobuo Furutachi

Inventor

Kanagawa, JP

Overview

1976–1994

Patent span

Physics

Primary field (CPC G)

Patents· 77 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Cprimary

G03CPhotosensitive materials for photographic purposes62%

C07DHeterocyclic compounds30%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

C07CAcyclic or carbocyclic compounds1%

PatentTitleYear

5,294,528'Silver halide photographic material containing a magenta coupler and a compound that can break the aggregation of an azomethine dye'1994 5,242,789'Process for forming color image'1993 5,229,261'Silver halide photographic material'1993 5,183,731'Silver halide color photographic light-sensitive material containing epoxy compound'1993 5,182,339'Pyrazoloazoleazomethine dyes'1993 5,118,812'Pyrazoloazole series couplers'1992 5,098,805'Color photographs, a process for preparing them and color photographic material employed therefor'1992 5,091,297'Silver halide color photographic material'1992 5,041,365'Silver halide color photographic materials'1991 5,026,867'Pyrazoloazoleazomethine dyes'1991 5,001,045'Silver halide color photographic material containing sparingly water soluble epoxy compound and organic soluble polymer'1991 4,983,507'Silver halide color photographic materials'1991 4,968,591'Processing for silver halide color photographic materials'1990 4,929,540'Silver halide color photographic light-sensitive material'1990 4,925,781'Silver halide color photographic material'1990 4,921,968'Pyrazoloazoleazomethine dyes'1990 4,910,124'Color image-forming process'1990 4,906,555'Silver halide color photographic material comprising specified couplers and anti-fading agents'1990 4,900,655'Silver halide color photographic light-sensitive material'1990 4,898,812'Silver halide color photographic material with a silver halide emulsion layer containing a cyan coupler and a color development accelerator'1990 H0000706'Silver halide color photosensitive materials'1989 4,865,963'Silver halide color photographic materials containing novel magenta coupler'1989 4,857,444'Color photographic light-sensitive material'1989 4,840,878'Method of color image formation using a high chloride emulsion and a developer free of benzyl alcohol'1989 4,822,730'Silver halide color photographic light-sensitive materials containing a pyrazoloazole magenta coupler'1989 4,774,166'Method for the formation of color images using a color developer not substantially containing benzyl alcohol'1988 4,774,172'Silver halide color photographic materials'1988 4,705,863'Process for producing pyrazolo[1,5-b][1,2,4]triazole derivatives'1987 4,696,893'Color photographic material containing certain combinations of cyan and magenta couplers'1987 4,621,046'Pyrazolo(1,5-B)-1,2,4-triazole derivatives'1986 H0000131'Silver halide color photographic material'1986 4,595,650'Color photographic light-sensitive material'1986 4,594,313'Color image forming process comprising blocked magenta dye forming coupler'1986 4,590,153'Silver halide color photographic materials'1986 4,588,679'Color photographic silver halide light-sensitive material'1986 4,585,732'Silver halide photographic light-sensitive material'1986 4,585,728'Color photographic light-sensitive material'1986 4,584,266'Color photographic light-sensitive material'1986 4,576,910'Silver halide color light-sensitive material containing magenta color image-forming polymer or copolymer coupler latex'1986 4,559,297'Silver halide color photographic light-sensitive material containing stabilizer'1985 4,556,630'Color photographic light-sensitive material'1985 4,540,654'Method of forming color image comprising heterocyclic magenta dye-forming coupler'1985 4,530,899'Color photographic materials with phenol or naphthol ring compound having sulfoamido group'1985 4,513,082'Silver halide color photographic light-sensitive materials'1985 4,503,141'Silver halide color photographic light-sensitive materials containing couplers with a hydroxyl substituted aromatic heterocyclic sulfonyl group in the ballast group'1985 4,500,630'Method for forming magenta color image'1985 4,483,918'Color photographic light-sensitive material'1984 4,407,936'Process and material for forming color photographic image'1983 4,385,111'Color photographic sensitive materials'1983 4,351,897'Color photographic light-sensitive material'1982 4,346,165'Process for improving light fastness of color images'1982 4,336,325'Color photographic light-sensitive element'1982 4,332,886'Color photographic light-sensitive material including an organic spirobis compound color coupler'1982 4,310,619'Color photographic material and process incorporating a novel magenta coupler'1982 4,308,343'Process and material for forming color photographic image'1981 4,301,235'Process and material for forming color photographic image'1981 4,297,440'Color photographic light-sensitive element'1981 4,293,691'Method for preparing magenta couplers having thioether groups'1981 4,279,990'Color photographic materials'1981 4,273,861'Multilayer color photographic materials utilizing an interlayer correction coupler'1981 4,266,020'Color photographic light-sensitive material'1981 4,264,723'Silver halide color photographic materials'1981 4,241,168'Photographic coupler'1980 4,237,217'Silver halide emulsion containing two-equivalent magenta coupler'1980 4,220,470'Silver halide material containing photographic magenta coupler'1980 4,199,361'Color photographic light-sensitive element'1980 4,133,686'Color photographic light-sensitive element'1979 4,105,656'Process for preparing 3-N-monosubstituted amino-4-substituted-5-pyrazolones'1978 4,076,533'Silver halide emulsion containing two-equivalent coupler'1978 RE029379'Color photographic light-sensitive material'1977 4,040,836'Silver halide emulsion containing two-equivalent coupler'1977 4,040,835'Two-equivalent magenta couplers with amido coupling-off groups'1977 4,032,346'Silver halide emulsion containing two-equivalent magenta coupler'1977 4,021,428'4-Piperidino-5-oxo-2-pyrazolines'1977 3,961,960'Multilayer color photographic materials'1976 3,956,339'4-Pyridinio-5-pyrazolone salts, process for their preparation and their use'1976 3,933,500'Color photographic light-sensitive material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1994Patents assigned to FUJI PHOTO FILM CO LTD (73)· patent assignee history

1976–1994Based in Minami-ashigara, JP· patent location history

1981–1993Based in Kanagawa, JP· patent location history

1991Patents assigned to FURUTACHI NOBUO (1)· patent assignee history

1991Patents assigned to KIMURA KEIZO (1)· patent assignee history

1991Patents assigned to SATO TADAHISA (1)· patent assignee history

1991Patents assigned to TAKAHASHI OSAMU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	73	1976–1994
FURUTACHI NOBUOself	1	1991
KIMURA KEIZO	1	1991
SATO TADAHISA	1	1991
TAKAHASHI OSAMU	1	1991

Locations

Location	Patents	Span
Kanagawa, JP	41	1981–1993
Minami-ashigara, JP	36	1976–1994