# A Study on Trend Analysis of Applicants Based on Patent Classification Systems

> Research article (Information, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2989745265](https://www.wikidata.org/wiki/openalex:W2989745265)  
**Source**: https://4ort.xyz/entity/a-study-on-trend-analysis-of-applicants-based-on-patent-classification-systems