Inventor

Toyoki Nishijima

Inventor

Odawara, JP

Overview

1984–2004

Patent span

Physics

Primary field (CPC G)

Patents· 39 as inventor

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

G03Cprimary

G03CPhotosensitive materials for photographic purposes79%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

B41MPrinting, duplicating, marking, or copying processes4%

C07CAcyclic or carbocyclic compounds2%

C07DHeterocyclic compounds2%

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

G03GElectrography2%

PatentTitleYear

6,821,584'Ink-jet recording medium'2004 6,777,175'Silver halide photographic material for direct observation and ink-jet recording sheet'2004 5,459,014'Method for forming a photographic color image with a photographic material containing a hydroxy-phenyl derivative, using a chloride-containing color developer'1995 5,336,592'Silver halide photographic light-sensitive material'1994 5,208,140'Light-sensitive silver halide photographic material prevented in color contamination'1993 5,132,202'Silver halide color photographic light-sensitive material'1992 5,112,728'Silver halide photographic light-sensitive material'1992 5,110,718'Silver halide photographic sensitive material'1992 5,091,294'Silver halide color photographic material'1992 5,085,978'Method for processing light-sensitive silver halide photographic material'1992 5,082,766'Silver halide color photographic light-sensitive material'1992 5,077,188'Silver halide photographic light-sensitive material'1991 5,049,482'Silver halide light-sensitive photographic material forming a dye image of enhanced light fastness'1991 5,039,597'Dye image forming method'1991 5,024,932'Light-sensitive silver halide photographic material'1991 5,017,464'Silver halide light-sensitive photographic material having improved light fastness'1991 5,017,465'Light-sensitive silver halide photographic material'1991 5,006,454'Light sensitive silver halide photographic material'1991 4,959,300'Silver halide photographic light-sensitive material with improved gradation balance'1990 4,954,431'Silver halide photographic light-sensitive material'1990 4,954,432'Photographic material with solvent having dielectric constant of 6 or less and yellow coupler'1990 4,945,034'Silver halide photographic light-sensitive material'1990 4,916,050'Silver halide light-sensitive photographic material'1990 4,912,027'Silver halide photographic light-sensitive material'1990 4,906,559'Light-sensitive silver halide photographic material'1990 4,868,100'Silver halide photographic light-sensitive material'1989 4,863,842'Silver halide photographic light sensitive material'1989 4,814,262'Silver halide photographic light-sensitive material to provide dye-image with improved color-fastness to light'1989 4,770,985'Silver halide photographic material'1988 4,753,870'Light-sensitive silver halide photographic material'1988 4,752,561'Light-sensitive silver halide photographic material incorporating metal complex with high quenching constant and an oil soluble dye'1988 4,731,320'Silver halide photographic material'1988 4,684,603'Light-sensitive silver halide color photographic material'1987 4,675,275'Silver halide color photographic material of improved reproducibility'1987 4,623,616'Silver halide photographic light-sensitive material'1986 4,564,590'Silver halide photographic material'1986 4,540,653'Method of improving the light resistance of a dye image'1985 4,526,853'Method of providing an increased brightening effect and silver halide photographic material having increased brightening effect'1985 4,425,418'Liquid developers for electrophotography and developing method using the same'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2004Patents assigned to KONISHIROKU PHOTO IND (37)· patent assignee history

1984Based in Hino, JP· patent location history

1985–2004Based in Odawara, JP· patent location history

1989Patents assigned to KONICA TECHNOSEARCH CORP (1)· patent assignee history

1989Patents assigned to MEGUMI IDE (1)· patent assignee history

1992Based in Tokyo, JP· patent location history

2004Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONISHIROKU PHOTO IND	37	1984–2004
KONICA TECHNOSEARCH CORP	1	1989
MEGUMI IDE	1	1989

Locations

Location	Patents	Span
Odawara, JP	36	1985–2004
Hachioji, JP	1	2004
Tokyo, JP	1	1992
Hino, JP	1	1984