RH

Ryoji Hirota

NC Nisshin Steel Co.: 3 patents #6 of 77Top 8%
Overall (2018): #59,052 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10125404 Method for producing high elastic limit nonmagnetic steel material using an austenitic stainless steel sheet Hiroyasu MATSUBAYASHI, Sadayuki Nakamura 2018-11-13
10060003 Austenitic stainless steel sheet and metal gasket Hiroyasu MATSUBAYASHI, Sadayuki Nakamura, Junichi Katsuki 2018-08-28
9921130 Fatigue testing device Sadayuki Nakamura, Hiroyasu MATSUBAYASHI, Akira HIRONAKA 2018-03-20