DS

Daihachiro Sakurai

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,896,399 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4902473 Rotary brake disc Hiroto Arata, Kenji Shiga, Kazuo Fujisawa, Isao Souma, Yusiyo Watanabe +1 more 1990-02-20