Inventor
Junichi Matsuyama
Inventor
Minami-ashigara, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes35%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
G01TMeasurement of nuclear or x-radiation12%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B41MPrinting, duplicating, marking, or copying processes6%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
4,912,023'Photographic light-sensitive materials having an oil component and a block copolymer'19904,728,595'Photographic element'19884,581,328'Internal latent image core/shell silver halide photographic emulsions'19864,040,839'Direct-positive process utilizing a supersensitized silver halide emulsion'19773,988,513'Silver halide emulsions for recording electron rays'19763,982,044'Silver halide photographic emulsions used for electron beam recording'1976RE028779'Oil-containing microcapsules and method for their production'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to FUJI PHOTO FILM CO LTD (6)· patent assignee history
1976–1990Based in Minami-ashigara, JP· patent location history
1986–1988Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 6 | 1976–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minami-ashigara, JP | 5 | 1976–1990 |
| Kanagawa, JP | 2 | 1986–1988 |