NK

Nagatoshi Koyayashi

DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,887,215 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5055564 Modified crystalline monoazo lake pigment Hirohito Ando 1991-10-08