SI

Shozaburo Imai

SC Sumitomo Chemical: 1 patents #114 of 315Top 40%
Overall (1989): #57,801 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4812345 Optical disk substrate Michihisa Isobe, Kazuhiro Yokoo, Hideaki Matsuura 1989-03-14