HK

Hitoshi Kikui

SC Sumitomo Chemical: 2 patents #52 of 315Top 20%
Overall (1989): #25,895 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4859039 Light-polarizing film Takuzo Okumura, Toyokazu Okada 1989-08-22
4803014 Light-polarizing film Takuzo Okumura, Toyokazu Okada 1989-02-07