HY

Hideo Yamamoto

SI Sumitomo Metal Industries: 1 patents #12 of 66Top 20%
📍 Hiroshima, CA: #4 of 6 inventorsTop 70%
Overall (2004): #207,417 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6679526 Threaded joint for an oil well pipe Kazuyuki Nakasuji 2004-01-20