KY

Kohichi Yamamoto

NS Nippon Steel: 1 patents #42 of 283Top 15%
Overall (1994): #102,769 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5336339 Refractory shape steel material containing oxide and process for proucing rolled shape steel of said material Suguru Yoshida, Kazuo Watanabe 1994-08-09