MA

Michiyo Akasaka

KA Kao: 1 patents #1,961 of 3,221Top 65%
Overall (All Time): #3,929,617 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4837010 Long wave UV ray absorber Hajime Hotta 1989-06-06