YH

Yoshio Hayakawa

AI Agency Of Industrial Science & Technology, Ministry Of International Trade & Industry: 1 patents #8 of 80Top 10%
Overall (1997): #56,502 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5609787 Method for extinguishing fire Takashi Abe, Haruhiko Fukaya, Eiji Hayashi 1997-03-11