---
title: "A003 Wheel of Innovation"
method: GET
path: "/insights/wheel-of-innovation"
tags: ["Technology Key Report"]
---

# A003 Wheel of Innovation

`GET /insights/wheel-of-innovation`

## Request

- Base URL: `https://connect.patsnap.com`
- URL: `https://connect.patsnap.com/insights/wheel-of-innovation`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/docs/insights/wheel-of-innovation/get.ts> (a function with typed inputs; its response is checked against the schema)

A two-tiered view of the keywords and phrases found within records in the technology space. This can be used to influence subsequent patent searches by making you aware of the more common terms used in this technology space. It is also useful to identify terms that are commonly associated with other similar terms. The Circle Chart categorizes the most frequently occurring keywords of the most recent 5,000 publications in the technology field into a 2-tier hierarchy.

## Query parameters

- `apply_end_time` string: Patent apply date to, format:yyyy
- `apply_start_time` string: Patent apply date from, format:yyyy
- `authority` string: Select the authority of the patent, the default query all databases, eg CN、US、EP、JP. To find more information, refer to https://analytics.zhihuiya.com/status. Example: US OR EP
- `ipc` string: Patent IPC classification
- `keywords` string: Searches for keywords within patent title and summary. Supports AND, OR, NOT search logic, for example "mobile phone AND (screen OR battery)".
- `lang` string, required: Select the language , the default language is en, you can choose cn or en.
- `public_end_time` string: Patent publication date to, format:yyyy
- `public_start_time` string: Patent publication date from, format:yyyy
- `query_text` string: Enter the Analytics Query, with a maximum length of 800 characters and cannot contain complex wildcards such as $W $PRE $WS $SEN $PARA $FREQ .etc

## Response `200`

Successful a003 wheel of innovation response.

- A003InsightsWheelOfInnovationResponse
  - `data` A003InsightsWheelOfInnovationWheelOfInnovationResponse[]: response data
    - `topics_name` string: topics
    - `topics_count` integer: number of subject patents
    - `subtopics_list` A003InsightsWheelOfInnovationSubtopics[]: list of sub-topics
      - `name` string: subtopics
      - `count` integer: number of subtopics patents
  - `status` boolean, required: Status
  - `error_msg` string: Error Message
  - `error_code` integer, required: Error Code

## Other responses

- `401`: Unauthorized.
- `403`: Forbidden.
- `404`: Not Found.

---

[API](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api.md) - [All operations](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/llms.txt) - [OpenAPI document](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/revisions/c2264a0de595?raw)