get_word_cloud
Generate a word cloud to visualize the most common keywords or phrases from the latest 5,000 patents. Refine searches by specifying keywords, IPC classification, date ranges, or patent authorities. Receive up to 100 terms for trend analysis.
Instructions
Obtain a snapshot of frequently occurring keywords/phrases from the most recent 5,000 published patents. Identify common terms for refining searches. Returns up to 100 keywords. Either keywords or IPC classification must be specified.
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 | No | 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. |