HS

Hiroyuki Semba

SI Sumitomo Metal Industries: 3 patents #1 of 43Top 3%
📍 Sanda, JP: #13 of 27 inventorsTop 50%
Overall (2005): #23,295 of 245,428Top 10%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6939415 Austenitic stainless steel and manufacturing method thereof Atsuro Iseda 2005-09-06
6926778 Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof Atsuro Iseda 2005-08-09
6918968 Austenitic stainless steel Masaaki Igarashi 2005-07-19