KN

Kotobu Nagai

JM Japan As Represented By Director General Of National Research Institute Of Metals: 1 patents #1 of 19Top 6%
📍 Ibaraki, JP: #235 of 769 inventorsTop 35%
Overall (2002): #171,828 of 266,432Top 65%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6464807 Production method of ultra fine grain steel Shiro Torizuka, Osamu Umezawa, Kaneaki Tsuzaki 2002-10-15