SN

Sumiyoshi Nagai

📍 Kasuga, JP: #56 of 124 inventorsTop 50%
Overall (All Time): #2,360,938 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4369174 Cosmetic composition containing kojic acid ester Tokio Izumi 1983-01-18
4278656 Cosmetic composition containing kojic acid ester Tokio Izumi 1981-07-14