YI

Yoshihiko Ishida

NI Ngk Insulators: 1 patents #49 of 149Top 35%
Overall (1989): #41,135 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856970 Metal-ceramic combination Isao Oda 1989-08-15