HN

Hiroyasu Niitsuma

SC Shinagawa Refractories Co.: 3 patents #20 of 162Top 15%
Overall (All Time): #1,353,703 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11897027 Immersion nozzle for continuous casting Keigo FUJITA 2024-02-13
11806781 Submerged entry nozzle Takayuki Matsunaga, Ryota Okazaki, Keigo FUJITA 2023-11-07
9573189 Submerged nozzle for continuous casting apparatus Yukio Okawa, Hidetaka Ogino, Shinsuke Inoue 2017-02-21