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

Hongyu Ji

JL Johnson Matthey (Shanghai) Chemicals Limited: 1 patents #1 of 5Top 20%
Overall (2025): #366,927 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12312989 Method for producing gasoline particulate filter Wenjie Dong, Dongsheng QIAO, Zhou SHANG, Guangyong Xiong 2025-05-27