Inventor
Shigeto Ohta
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography67%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments22%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
4,485,159'Laminate type electrophotographic light-sensitive material'19844,419,428'Electrophotographic light-sensitive media having a dis-azo compound'19834,359,513'Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group'19824,359,515'Disazo electrophotographic light-sensitive media'19824,356,243'Electrophotographic media with benzoxazole group containing dis-azo compound'19824,268,595'Electrostatic recording material and method for the production thereof'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1984Patents assigned to COPYER CO (6)· patent assignee history
1981–1984Based in Tokyo, JP· patent location history
1983–1984Patents assigned to CANON KK (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COPYER CO | 6 | 1981–1984 |
| CANON KK | 2 | 1983–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 1981–1984 |