YH

Yoshiyuki Hayakawa

📍 Sennan, JP: #2 of 8 inventorsTop 25%
Overall (1997): #56,504 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5632923 Concrete molding form member — 1997-05-27