YK

Yoichiro Koga

DC Daiken Trade & Industry Co.: 1 patents #2 of 5Top 40%
📍 Okayama, JP: #18 of 66 inventorsTop 30%
Overall (1989): #40,920 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4888927 Floating floor Satoshi Yoshimi 1989-12-26