HY

Hirotaka Yoshinaga

DC Daido Steel Co.: 1 patents #1 of 17Top 6%
Sumitomo Electric Industries: 1 patents #603 of 2,038Top 30%
Overall (1997): #139,887 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5639317 High strength, low thermal expansion alloy wire and method of making the wire Shin-ichiro Yahagi, Kenji Takahashi, Kenji Miyazaki, Shinichi Kitamura, Atsushi Yoshida 1997-06-17