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

Zhangzhong Cheng

ZC Zhejiang Hengyi Petrochemical Co.: 1 patents #9 of 16Top 60%
Overall (2025): #151,283 of 469,880Top 35%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12353202 Audio-based device fault detection method, electronic device and storage medium Xiantao Peng, Peng WANG, Yibo QIU, Dake Li, Junwei Zhang +1 more 2025-07-08