YK

Yasumasa Kan

SC Sumitomo Metal Mining Co.: 3 patents #11 of 99Top 15%
Overall (2017): #54,093 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9828256 Method for producing hematite for ironmaking Go Ohara, Hideki Sasaki, Masaki Imamura 2017-11-28
9783869 Hydrometallurgical process for nickel oxide ore Yasumasa Hattori, Hidetoshi Watanabe 2017-10-10
9752209 Method for producing hematite for ironmaking Go Ohara, Hideki Sasaki, Masaki Imamura 2017-09-05