RK

Ryoji Kumagai

TO Toyota: 1 patents #1,126 of 3,229Top 35%
Overall (2025): #232,405 of 469,880Top 50%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12285822 Inspection system for welded portion Yusuke Matsuoka, Hisanori Kobayashi 2025-04-29