HI

Hisao Itow

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #58,901 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4348041 Butt welded tubular structure of austenite stainless steel Katsuyuki Imai, Isao Masaoka, Yochiteru Chiba, Masayoshi Kanno, Jiro Kuniya 1982-09-07