NH

Nobuhiro Hayakawa

Ngk Spark Plug Co.: 1 patents #29 of 96Top 35%
📍 Chita, JP: #5 of 8 inventorsTop 65%
Overall (1989): #73,103 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836906 Air-fuel ratio sensor Tetsusyo Yamada, Kazunori Yokota 1989-06-06