WL

Wing Yam LIU

SB Societe Bic: 1 patents #190 of 336Top 60%
SB Société Bic: 1 patents #45 of 98Top 50%
📍 Clichy, FR: #74 of 192 inventorsTop 40%
Overall (All Time): #1,711,959 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12297362 Non newtonian ballpoint pen ink comprising cellulose nanofibers Guillaume CAFFIER 2025-05-13
11891530 Writing gel ink Guillaume CAFFIER, Anne-Lise Damiano, Christelle Debrauwer, Claire Evrard 2024-02-06