Inventor
Mark D. Campbell
Inventor
San Jose, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis28%
H04MTelephonic communication28%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors11%
G06FElectric digital data processing11%
F41JTargets6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
G08BSignalling systems, e.g. personal calling systems6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
10,488,159Method, system and apparatus for implementing shooting sports201910,438,012Interface to generate data compatible with an external system in an oil and gas asset supply chain201910,397,245Interface with secure intermediary platform to generate data compatible with an external system in an oil and gas asset supply chain20199,055,147'Voice user interface with personality'20157,266,499'Voice user interface with personality'20077,058,577'Voice user interface with personality'20066,334,103'Voice user interface with personality'20016,144,938'Voice user interface with personality'20005,348,141'Material handling system'1994D0340637'Decorative door or cabinet knob'19935,182,805'Method and system for determining copy-on-write condition'19935,152,391'Hopper feed elevator'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2019Patents assigned to CAMPBELL MARK D (4)· patent assignee history
1992–1994Based in Asheville, NC, US· patent location history
1993Based in Brooklyn, NY, US· patent location history
2000–2015Based in San Jose, CA, US· patent location history
2006–2007Patents assigned to BEN FRANKLIN PATENT HOLDING LL (2)· patent assignee history
2015Patents assigned to ALBERT ROY D (1)· patent assignee history
2019Patents assigned to SICPA HOLDING SA (2)· patent assignee history
2019Patents assigned to ADVANCED TARGET TECH IP HOLDINGS INC (1)· patent assignee history
2019Based in Lausanne, CH· patent location history
2019Based in Santa Clara, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CAMPBELL MARK Dself | 4 | 1992–2019 |
| BEN FRANKLIN PATENT HOLDING LL | 2 | 2006–2007 |
| SICPA HOLDING SA | 2 | 2019 |
| ADVANCED TARGET TECH IP HOLDINGS INC | 1 | 2019 |
| ALBERT ROY D | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 5 | 2000–2015 |
| Lausanne, CH | 2 | 2019 |
| Asheville, NC, US | 2 | 1992–1994 |
| Santa Clara, California, US | 1 | 2019 |
| Brooklyn, New York, US | 1 | 1993 |