# Hiroyuki Usui

> researcher

**Wikidata**: [Q55175151](https://www.wikidata.org/wiki/Q55175151)  
**Source**: https://4ort.xyz/entity/hiroyuki-usui-q55175151


## References

1. KAKEN
2. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-1156-0340/researcher-urls/316097)
3. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-1156-0340/external-identifiers/44080)
4. CiNii Research