Inventor
Peter B. Hart
Inventor
Northampton, GB
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers30%
B41JTypewriters20%
G06KGraphical data reading20%
G09FDisplaying10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
5,060,027'Light emitting diode array with aligned solder bumps'19914,888,603'Light emitting diode array'19894,884,086'Method of alignment of LED chips'19894,857,944'Recalibration system for LED array'19893,964,940'Methods of producing gallium phosphide yellow light emitting diodes'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to PLESSEY HANDEL INVESTMENT AG (1)· patent assignee history
1976–1989Based in Northampton, GB· patent location history
1989–1991Patents assigned to PLESSEY OVERSEAS (3)· patent assignee history
1989Patents assigned to PLESSEY CO PLC (1)· patent assignee history
1991Based in Duston, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PLESSEY OVERSEAS | 3 | 1989–1991 |
| PLESSEY CO PLC | 1 | 1989 |
| PLESSEY HANDEL INVESTMENT AG | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Northampton, GB | 4 | 1976–1989 |
| Duston, GB | 1 | 1991 |