Yijun Song

📍 Qingdao, CN: #156 of 542 inventorsTop 30%

Overall (2023): #196,383 of 537,848Top 40%

Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D1009157	Writing instrument	—	2023-12-26