YF

Yukio Fukuyama

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
📍 Ooita, JP: #284 of 516 inventorsTop 60%
Overall (All Time): #3,847,556 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5102647 Method of producing vapor growth carbon fibers Hirokazu Yamada 1992-04-07