Inventor
Katsumi Matsuura
Inventor
Hachioji, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes42%
G03GElectrography32%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C07CAcyclic or carbocyclic compounds5%
C07DHeterocyclic compounds5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
PatentTitleYear
5,824,444'Image forming apparatus'19985,798,200'Electrophotographic image forming method'19985,721,085'Electrophotographic image forming method'19985,660,960'Image forming apparatus'19975,604,574'Electrophotographic image-forming method'19975,415,966'Image forming system of low ozone generation'19954,409,323'Silver halide photographic material'19834,368,257'Method for forming a cyan dye image'19834,362,810'Method for forming a cyan dye image'19824,353,979'Light-sensitive silver halide photographic materials'19824,326,022'Photographic material containing a high boiling solvent'19824,304,844'Method for forming a cyan dye image'19814,299,914'Method for forming a cyan dye image'19813,932,185'Multi-layer photosensitive material for color photography'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1998Patents assigned to KONISHIROKU PHOTO IND (13)· patent assignee history
1976–1982Based in Hino, JP· patent location history
1981Patents assigned to FUJIMATSU WATARU (1)· patent assignee history
1981Patents assigned to MATSURA KATSUMI (1)· patent assignee history
1981Patents assigned to SASAKI OSAMU (1)· patent assignee history
1981Patents assigned to USAGAWA YASUSHI (1)· patent assignee history
1981Based in Sakura-machi, Hino-shi, Tokyo, JP· patent location history
1982Based in Hachiaji, JP· patent location history
1982Based in Akigawa, JP· patent location history
1983–1998Based in Hachioji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONISHIROKU PHOTO IND | 13 | 1976–1998 |
| FUJIMATSU WATARU | 1 | 1981 |
| MATSURA KATSUMI | 1 | 1981 |
| SASAKI OSAMU | 1 | 1981 |
| USAGAWA YASUSHI | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 8 | 1983–1998 |
| Hino, JP | 3 | 1976–1982 |
| Hachiaji, JP | 1 | 1982 |
| Akigawa, JP | 1 | 1982 |
| Sakura-machi, Hino-shi, Tokyo, JP | 1 | 1981 |