Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
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Youchun Yan

GC Guangdong Roman Technology Co.: 2 patents #1 of 3Top 35%
📍 Dongguan, CN: #137 of 840 inventorsTop 20%
Overall (2025): #72,209 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1094880 Hair straightener Gang Li 2025-09-23
D1089828 Hair drier Jinhui Deng 2025-08-19