YK

Youichiro Koga

DC Daiken Trade & Industry Co.: 1 patents #2 of 5Top 40%
Overall (1989): #40,919 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4860506 Floor panel for floating floor Satoshi Yoshimi 1989-08-29