YU

Yoshiyuki Umegaki

JS Jfe Steel: 2 patents #578 of 1,401Top 45%
Overall (All Time): #1,924,401 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10859507 Surface defect inspection method and surface defect inspection apparatus Takahiro Koshihara, Takahiko Oshige 2020-12-08
10466039 Surface shape measuring method and surface shape measuring device Manabu Harazono 2019-11-05