YS

Yujiro Sonoyama

KA Kaneka: 3 patents #437 of 1,525Top 30%
Overall (All Time): #1,442,184 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D936937 Inner cap for a wig 2021-11-30
D936938 Inner cap for a wig 2021-11-30
10604868 Artificial protein fibers for hair, manufacturing method therefor and head accessory containing same Masato Fujita, Sohei Nishida 2020-03-31