Inventor
Kevin Trung Cao
Inventor
Hamburg, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings20%
G06FElectric digital data processing20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04WWireless communication networks20%
G01SRadio direction-finding10%
G08BSignalling systems, e.g. personal calling systems10%
PatentTitleYear
7,259,694'Wireless communication system and method to provide geo-spatial related event data'20076,529,136'Group notification system and method for implementing and indicating the proximity of individuals or groups to other individuals or groups'20036,446,004'System and method for implementing proximity or location driven activities'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2007Patents assigned to IBM (3)· patent assignee history
2002–2007Based in Hamburg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 3 | 2002–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamburg, DE | 3 | 2002–2007 |