Inventor

Senzo Sasaoka

Inventor

Kanagawa, JP

Overview

1979–2007

Patent span

Physics

Primary field (CPC G)

Patents· 26 as inventor

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

G03Cprimary

G03CPhotosensitive materials for photographic purposes64%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%

PatentTitleYear

7,267,933'Image forming method using photothermographic material'2007 5,976,758'Development processing method'1999 5,888,708'Development processing method'1999 5,374,499'Silver halide photographic material'1994 5,298,373'Process and composition for fixing black-and-white silver halide photographic materials'1994 5,272,046'Processing method for a silver halide photographic material'1993 5,200,298'Method of forming images'1993 5,185,232'Method of image formation'1993 5,051,336'Negative type silver halide photographic material and method for forming image using the same'1991 4,997,743'Silver halide photographic material and method for forming image using the same'1991 4,996,130'Silver halide photographic material'1991 4,957,849'Silver halide photographic material and image-forming method using the same'1990 4,920,034'Silver halide photographic material and image forming method using the same'1990 4,920,029'Silver halide photographic material and method for forming super high contrast negative images therewith'1990 4,873,173'Method of forming image providing a change in sensitivity by altering the pH of the developer'1989 4,849,319'Silver halide photographic light-sensitive material and method of forming super-high contrast negative image using the photographic material'1989 4,839,259'Silver halide photographic material and method for forming an image using the same'1989 4,824,774'Silver halide photographic material and method for forming an ultrahigh contrast negative image therewith'1989 4,789,618'Silver halide photographic material and very high contrast negative image-forming process using same'1988 4,777,113'Silver halide photographic material containing a silica containing overlayer and specific hydrazine derivatives'1988 4,761,362'Processing a photographic material comprising an emulsion layer providing a contrast gradation and another layer providing a soft tone gradation'1988 4,755,449'Silver halide photographic material and method for forming super high contrast negative images therewith'1988 4,725,532'Silver halide photographic light-sensitive material and high contrast negative image forming process using them'1988 4,722,884'Silver halide photographic light-sensitive materials and method for formation of negative images of ultra-high contrast using said material'1988 4,343,873'Photographic light-sensitive silver halide elements'1982 4,135,931'Method of image formation'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1999Patents assigned to FUJI PHOTO FILM CO LTD (25)· patent assignee history

1979–1993Based in Minami-ashigara, JP· patent location history

1988–2007Based in Kanagawa, JP· patent location history

2007Patents assigned to FUJIFILM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	25	1979–1999
FUJIFILM CORP	1	2007

Locations

Location	Patents	Span
Kanagawa, JP	23	1988–2007
Minami-ashigara, JP	3	1979–1993