get_top_assignees
Identify top 10 companies with the largest patent portfolios using keywords or IPC codes. Analyze competitive threats and industry leaders by filtering results by application, publication date, or patent authority.
Instructions
Shows the top companies (assignees) with the largest patent portfolios. Identify largest players and competitive threats. Returns up to the top 10 assignees. Note: Search must contain either keywords or IPC. If both are provided, IPC is prioritized.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| apply_end_time | No | Patent application end year (yyyy format). Filters by application filing date. | |
| apply_start_time | No | Patent application start year (yyyy format). Filters by application filing date. | |
| authority | No | Patent authority code (e.g., CN, US, EP, JP). Filters by patent office. Use OR for multiple, e.g., "US OR EP". | |
| ipc | No | Patent IPC classification code. Used to specify a particular technology field. | |
| keywords | No | Keywords to search within patent title and abstract/summary. Supports AND, OR, NOT logic. Example: "mobile phone AND (screen OR battery)" | |
| lang | Yes | Language setting. Default is "en" (English). Choose "cn" (Chinese) or "en". | |
| public_end_time | No | Patent publication end year (yyyy format). Filters by publication date. | |
| public_start_time | No | Patent publication start year (yyyy format). Filters by publication date. |