Inventor
Frederick Cheng
Inventor
Tseung Kwan O, HK
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables50%
A61BDiagnosis25%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Patents assigned to UNIV HONG KONG (1)· patent assignee history
2005Based in Fanling, CN· patent location history
2013Patents assigned to CHENG FREDERICK (1)· patent assignee history
2013Patents assigned to HK APPLIED SCIENCE & TECH RES (1)· patent assignee history
2013Patents assigned to LI GENG (1)· patent assignee history
2013Patents assigned to YANG EDWARD S (1)· patent assignee history
2013Based in Tseung Kwan O, HK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHENG FREDERICKself | 1 | 2013 |
| HK APPLIED SCIENCE & TECH RES | 1 | 2013 |
| LI GENG | 1 | 2013 |
| UNIV HONG KONG | 1 | 2005 |
| YANG EDWARD S | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tseung Kwan O, HK | 1 | 2013 |
| Fanling, CN | 1 | 2005 |