NH

Nobuyoshi Hiroki

SI Sumitomo Metal Industries: 3 patents #222 of 1,462Top 20%
KC Kurosaki Refractories Co.: 1 patents #25 of 74Top 35%
SC Shinagawa Refractories Co.: 1 patents #73 of 162Top 50%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,677,285 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4570909 Lining apparatus provided with a foldable spray pipe Hiroyuki Ikemiya, Ryo Michioka, Tsutomu Ueno, Yasuo Kishimoto, Yosisuke Nagano 1986-02-18
4390166 Hot-gunning method for repairing converters Hiroyuki Danjo, Kazuaki Takimoto, Gensuke Muta 1983-06-28
4290802 Steel making process Takeyuki Hirata, Seiichi Masuda 1981-09-22