CM

Chitoshi Matsumura

JS Jfe Steel: 2 patents #578 of 1,401Top 45%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
Overall (All Time): #1,559,326 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7901482 Removal method of nitrogen in molten steel Chikashi Tada 2011-03-08
7004992 Chromium-containing metal and method for producing the same Hiroiti Sugimori, Satoaki Kawaguchi, Masanori Kato 2006-02-28
5085265 Method for continuous casting of molten steel and apparatus therefor Hironori Yamamoto, Kentaro Mori 1992-02-04