SF

Shigetoshi Fujiwara

DC Dainippon Plastics Co.: 1 patents #8 of 15Top 55%
HO Hoya: 1 patents #757 of 1,290Top 60%
Overall (All Time): #3,834,247 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5249076 Optical filter structure Yoshio Kishima, Tadasu Inoue 1993-09-28