TK

Tatsuo Kaneoya

SC Sumitomo Chemical: 1 patents #114 of 315Top 40%
Overall (1989): #53,324 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4851551 Ultraviolet ray absorbing agent Haruki Okamura 1989-07-25