EY

Eiji Yanada

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #228,852 of 270,089Top 85%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6836605 Optical fiber preform, production method thereof, and optical fiber produced from the preform Masaaki Hirano, Masashi Onishi 2004-12-28