RC

Ryuichi Chiba

TW The Japan Steel Works: 1 patents #1 of 18Top 6%
📍 Muroran, JP: #1 of 9 inventorsTop 15%
Overall (1982): #32,409 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4363952 Welding method for stainless steel weld overlay Keizo Onishi, Takao Adachi, Akiyoshi Fuji, Katsuyuki Naitoh, Hachiro Okada 1982-12-14