SK

Seiichi Kumagai

KA Kao: 2 patents #1,388 of 3,221Top 45%
📍 Funabashi, JP: #519 of 1,104 inventorsTop 50%
Overall (All Time): #2,301,957 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5211883 Shampoo composition Sahoko Yamashina, Kazuyuki Yahagi 1993-05-18
5077041 Shampoo composition Sahoko Yamashina, Kazuyuki Yahagi 1991-12-31