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Yasuhiro Naganuma

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,146,963 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7379646 Optical fiber product, method of fabricating optical cable, and characteristic evaluation method Yasushi Koyano, Hiroyoshi Yamamoto 2008-05-27
6530243 Method of making an optical fiber with an improved UV-curable resin Kazuya Kuwahara, Ichiro Tsuchiya 2003-03-11