RI

Rikiya Ishikawa

SM Smc: 1 patents #8 of 27Top 30%
📍 Itabashi, JP: #3 of 4 inventorsTop 75%
Overall (2025): #241,470 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12220765 Butt welded joint of steel material and method for manufacturing same Hiroyuki Okuhira, Takuya Tadano 2025-02-11