Inventor

Shigeharu Urabe

Inventor

Kanagawa, JP

Overview

1978–2021

Patent span

Physics

Primary field (CPC G)

Patents· 36 as inventor

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

G03Cprimary

G03CPhotosensitive materials for photographic purposes52%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

B01FMixing, e.g. dissolving, emulsifying or dispersing5%

C01GCompounds containing metals not covered by subclasses c01d or c01f5%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

H05BElectric heating5%

Y10TTechnical subjects covered by former us classification5%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

C30BSingle-crystal growth2%

G05FSystems for regulating electric or magnetic variables2%

PatentTitleYear

11,107,936Output voltage control circuit device for plurality of power supply cells connected in series2021 7,326,366'Method of producing inorganic semiconductor-or phosphor-primary particle and inorganic semiconductor-or phosphor-primary particle'2008 7,009,337'EL phosphor powder and EL device'2006 6,924,592'EL phosphor powder and EL device'2005 6,858,381'Method and apparatus for forming silver halide emulsion particles and method for forming fine particles'2005 6,773,876'Silver halide emulsion, production process thereof and novel pyridinium compound'2004 6,605,422'Process for producing a silver halide photographic emulsion'2003 6,403,295'Silver halide photographic emulsion and process for preparing the same'2002 6,048,681'Silver halide photographic material'2000 6,022,681'Method for producing tabular silver halide grain emulsion'2000 5,985,535'Method for producing silver halide emulsion and silver halide photographic emulsion'1999 5,736,311'Silver halide photographic emulsion containing tabular grains with dislocations and method of preparing the same'1998 5,587,282'Silver halide photographic material'1996 5,518,871'Photographic material containing silver halide grains doped with hexa-coordinated cyano-complex'1996 5,439,787'Silver halide photographic emulsion and photographic material containing the same'1995 5,436,111'Color diffusion transfer light-sensitive material'1995 5,380,641'Process for the preparation of silver halide grains'1995 5,270,159'Process of producing silver halide grains and apparatus therefor'1993 5,264,338'Method for making silver halide emulsion, photosensitive materials using the same, and methods of recording images using the photosensitive materials'1993 5,238,796'Silver halide photographic emulsion and photographic light-sensitive material'1993 5,213,772'Apparatus for forming silver halide grains'1993 5,196,300'Method for making silver halide emulsion, photosensitive materials using the same, and methods of recording images using the photosensitive materials'1993 5,155,017'Silver halide photographic material'1992 5,145,768'Process of forming silver halide grains'1992 5,124,244'Silver halide color photographic material'1992 5,104,785'Process of forming silver halide grains'1992 5,045,443'Silver halide photographic emulsion'1991 5,035,991'Control process and apparatus for the formation of silver halide grains'1991 5,004,679'Silver halide photographic material and process for the preparation thereof'1991 4,879,208'Process for preparing silver halide grains'1989 4,806,461'Silver halide emulsion and photographic light-sensitive material using tabular grains having ten or more dislocations per grain'1989 4,797,354'Silver halide emulsions comprising hexagonal monodisperse tabular silver halide grains'1989 4,678,745'Process for producing silver halide emulsion and silver halide photographic light-sensitive material containing the same'1987 4,431,730'Process for the preparation of internal latent image type silver halide photographic emulsions'1984 4,431,731'Internal latent image silver halide emulsions'1984 4,078,937'Process for sensitizing a fine grain silver halide photographic emulsion'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2006Patents assigned to FUJI PHOTO FILM CO LTD (34)· patent assignee history

1978–2008Based in Minami-ashigara, JP· patent location history

1984–2004Based in Kanagawa, JP· patent location history

2008Patents assigned to FUJIFILM CORP (1)· patent assignee history

2021Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history

2021Patents assigned to UNIV TOKYO METROPOLITAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	34	1978–2006
FUJIFILM CORP	1	2008
TOYOTA MOTOR CO LTD	1	2021
UNIV TOKYO METROPOLITAN	1	2021

Locations

Location	Patents	Span
Kanagawa, JP	26	1984–2004
Minami-ashigara, JP	9	1978–2008