Inventor
Syu Watarai
Inventor
Kanagawa, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography47%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
H01BCables7%
C07DHeterocyclic compounds3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08LCompositions of macromolecular compounds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
G03CPhotosensitive materials for photographic purposes3%
PatentTitleYear
5,426,012'Electrophotographic printing plate precursor'19955,344,694'Liquid developer for electrostatic photography'19945,102,760'Electrophotographic photoreceptor and electrophotographic printing plate precursor comprising phthalocyanine pigment and thiobarbituric acid derivative'19925,075,171'Conductive film and method for preparing same'19915,069,992'Electrophotographic printing plate precursor containing alkali-soluble polyurethane resin as binder resin'19915,063,129'Electrophotographic printing plate precursor'19915,015,551'Electrophotographic liquid developers containing positively charged resin particles'19915,004,641'Electroconducting semiconductor and binder or binder precursor coated in a subbing layer'19914,734,351'Liquid developer for electrostatic charge image'19884,724,192'Electrophotographic photoreceptor containing a bisstilbene compound'19884,681,832'Electrophotographic liquid developer'19874,229,510'Photoconductive polymer material of N-alkylphenothiazine and formaldehyde'19803,999,989'Electrophotographic member having improved sensitizer and process utilizing same'19763,933,509'Photo-polymerizable composition containing an acid salt of an indolinobenzospiropyran'19763,930,851'Electrophotographic process using methylene indoline photoconductive derivatives'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1995Patents assigned to FUJI PHOTO FILM CO LTD (15)· patent assignee history
1976–1980Based in Asaka, JP· patent location history
1987–1995Based in Kanagawa, JP· patent location history
1991Based in Minami-ashigara, JP· patent location history
1991Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 15 | 1976–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 9 | 1987–1995 |
| Asaka, JP | 4 | 1976–1980 |
| Minami-ashigara, JP | 1 | 1991 |
| Saitama, JP | 1 | 1991 |