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

Haisheng Jin

SC Shanghai Roye Electric Co.: 2 patents #5 of 13Top 40%
Overall (2025): #123,666 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12292358 Gas density relay with sealing performance self-checking function, and implementation method therefor Haiyong Jin, Tiexin Xia, Zhengcao Guo, Qing Tan 2025-05-06
12259300 Self-diagnostic gas density relay and use method thereof Haiyong Jin, Tiexin Xia, Zhengcao Guo, Caixia Hao 2025-03-25