Inventor
TIANWEN CHEN
Inventor
US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks25%
H04LTransmission of digital information, e.g. telegraphic communication21%
H04BTransmission18%
G07CTime or attendance registers11%
G08BSignalling systems, e.g. personal calling systems11%
G01SRadio direction-finding7%
G06FElectric digital data processing4%
H04MTelephonic communication4%
PatentTitleYear
12,255,969Analyzing user activity202512,170,932Wireless based presence detection202411,962,360Systems and methods for premises monitoring202411,700,670Methods, systems, and apparatuses for presence detection202311,700,505Wireless based presence detection202311,330,396Wireless based presence detection202211,184,092Systems and methods for premises monitoring2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to COMCAST CABLE COMM LLC (7)· patent assignee history
2021–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMCAST CABLE COMM LLC | 7 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2021–2025 |