KF

Keiichi Fujie

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
📍 Sakuragawa, JP: #36 of 58 inventorsTop 65%
Overall (All Time): #2,902,531 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10041160 Steel for spring, and method for producing spring Minoru Honjo, Kiyoshi Uwai, Shigeru Endo, Katsutoshi Yamashita, Koei Tsuru +1 more 2018-08-07