HL

Hsing-Hsun Lee

QC Quann Cheng International Co.: 3 patents #1 of 1Top 100%
Overall (2024): #84,248 of 561,600Top 20%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12076902 Ultra-high-molecular-weight fiber manufacturing method and system 2024-09-03
11965270 Deodorant and antibacterial copper nanofiber yarn and manufacturing method thereof 2024-04-23
11946170 Deodorant and antibacterial protective cloth and manufacturing method thereof 2024-04-02