YH

Yasuhiko Hamada

NI Ngk Insulators: 1 patents #49 of 149Top 35%
Overall (1989): #42,231 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4824549 Exhaust gas sensor for determining A/F ratio Tsunenori Yoshimura 1989-04-25