Inventor
Chao Tang
Inventor
Beijing, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings13%
G03GElectrography13%
G06FElectric digital data processing13%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
G08BSignalling systems, e.g. personal calling systems13%
G08GTraffic control systems13%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04WWireless communication networks13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to IWASAKI KAZUYA (1)· patent assignee history
2015Patents assigned to LI WEI (1)· patent assignee history
2015Patents assigned to RICOH CO LTD (1)· patent assignee history
2015Patents assigned to TANG CHAOQIAN (1)· patent assignee history
2015Based in Shanghai, CN· patent location history
2021Patents assigned to BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD | 1 | 2021 |
| IWASAKI KAZUYA | 1 | 2015 |
| LI WEI | 1 | 2015 |
| RICOH CO LTD | 1 | 2015 |
| TANG CHAOQIANself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 1 | 2021 |
| Shanghai, CN | 1 | 2015 |