Inventor
Robert Duffy
Inventor
Milpitas, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer38%
H04NPictorial communication, e.g. television19%
G05GControl devices or systems insofar as characterised by mechanical features only10%
G06FElectric digital data processing10%
H01HElectric switches10%
G02BOptical elements, systems or apparatus5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
11,105,973Optically enhanced high resolution image guides20216,092,119'Random access audio/video processor with compressed video resampling to allow higher bandwidth throughput'20005,535,137'Random access audio/video processor with compressed video resampling to allow higher bandwidth throughput'19965,508,940'Random access audio/video processor with multiple outputs'19965,351,161'Variable scale rotary switch'19945,339,393'Graphical user interface for displaying available source material for editing'19945,187,630'Multi-parameter variable scale rotary switch'19935,148,154'Multi-dimensional user interface'19924,754,342'Video editing system having virtual memory'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to CMX CORP (1)· patent assignee history
1988Based in San Jose, CA, US· patent location history
1992–1993Patents assigned to SONY CORP AMERICA (2)· patent assignee history
1992–2000Based in Milpitas, CA, US· patent location history
1994–2000Patents assigned to SONY ELECTRONICS INC (4)· patent assignee history
1996–2000Patents assigned to SONY CORP (2)· patent assignee history
2021Patents assigned to SCHOTT CORP (1)· patent assignee history
2021Based in Stafford Springs, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY ELECTRONICS INC | 4 | 1994–2000 |
| SONY CORP | 2 | 1996–2000 |
| SONY CORP AMERICA | 2 | 1992–1993 |
| CMX CORP | 1 | 1988 |
| SCHOTT CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Milpitas, California, US | 7 | 1992–2000 |
| Stafford Springs, CT, US | 1 | 2021 |
| San Jose, California, US | 1 | 1988 |