Time interval
1990-2022
Field display
< tr>| Table of patent affairs published by digital economic inventions of A-share listed companies |
|---|
| Index ID (patent ID) |
| Securities code |
| Fiscal year |
| Name of associated company |
| Relationship with listed company |
| Major category code |
| Major category name |
| Middle category code |
| Middle category name |
| Sub-category code |
| Sub-category name |
| Serial number |
| Code |
| Event type |
| Date |
| Description |
Sample data
Data Update Frequency
Annual Update