YK

Yoichi Koga

NC Nippon Kokan Co.: 1 patents #20 of 100Top 20%
YC Yushiro Chemical Industry Co.: 1 patents #1 of 6Top 20%
📍 Fukuyama, JP: #15 of 39 inventorsTop 40%
Overall (1989): #40,918 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883606 Water-soluble temper rolling oil and method of temper rolling Hiroshi Kuwamoto, Shuichi Iwado, Tomoya Izushi, Toshimi Muto, Nobuomi Kuroi 1989-11-28