YH

Yuzo Higaki

NS Nippon Steel: 2 patents #21 of 282Top 8%
NM Nisshin Oil Mills: 2 patents #1 of 6Top 20%
Overall (1989): #12,176 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4889648 Cold-rolling oils for steel plates Hiroyuki Goto, Keiichi Tanikawa 1989-12-26
4886612 Lubricating oil Hiroyuki Goto, Keiichi Tanikawa 1989-12-12