Inventor
Masakazu Iwasa
Inventor
Tokyo, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography38%
G11BInformation storage based on relative movement between record carrier and transducer17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
B05DProcesses for applying fluent materials to surfaces, in general8%
Y10TTechnical subjects covered by former us classification8%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling4%
B41FPrinting machines or presses4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
PatentTitleYear
5,022,519'Flexible disk jacket'19914,864,451'Flexible disk jacket'19894,807,078'Flexible disk jacket colored within specific munsell ranges'19894,670,314'Colored jacket for floppy disk'19874,393,112'Transfer powder marking method using a core-shell powder comprising a pigment, solvent-insoluble polyester resin and a volatile halogenated hydrocarbon insoluble ingredient'19834,320,408'Method of forming electrostatic image'19824,297,384'Method of developing electrostatic latent image'19814,281,622'Apparatus for developing electrostatic latent image'19814,192,232'Electrostatic image recording method and apparatus therefor'19804,187,774'Electrostatic print marking apparatus'19804,144,808'Electrophotographic marking apparatus'19794,075,011'Electrostatic powder coating method'19783,998,634'Powder electrophotographic method'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to FUJI PHOTO FILM CO LTD (13)· patent assignee history
1976–1981Based in Tokyo, JP· patent location history
1982–1989Based in Odawara, JP· patent location history
1987Patents assigned to SUMITOMO BAKELITE CO (1)· patent assignee history
1987–1991Based 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 | 13 | 1976–1991 |
| SUMITOMO BAKELITE CO | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1976–1981 |
| Kanagawa, JP | 3 | 1987–1991 |
| Odawara, JP | 3 | 1982–1989 |