Inventor
Tetunori Matushita
Inventor
Kanagawa, JP
Overview
Patents· 11 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 digests33%
C07DHeterocyclic compounds10%
B41MPrinting, duplicating, marking, or copying processes5%
PatentTitleYear
5,683,850'Diazo heat-sensitive recording material comprising hydroxy coumarin as a coupler'19975,486,446'Multi-color heat-sensitive recording material utilizing multiple diazonium salt layers'19965,266,453'Silver Halide photographic light-sensitive material'19935,227,284'Silver halide photographic material'19935,188,928'Silver halide photographic material containing light absorbing compound'19935,158,892'Selenium sensitizers for silver halide photographic materials'19925,118,596'Silver halide color photographic material'19925,100,761'Silver halide photographic materials'19925,066,573'Silver halide color photographic material'19914,966,835'Method for processing a silver halide color photographic material'19904,923,789'Silver halide photographic material'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to FUJI PHOTO FILM CO LTD (11)· patent assignee history
1990–1993Based in Kanagawa, JP· patent location history
1996–1997Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 11 | 1990–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 9 | 1990–1993 |
| Shizuoka, JP | 2 | 1996–1997 |