TO

Tadashi Otagiri

NI Ngk Insulators: 1 patents #50 of 163Top 35%
Overall (1997): #71,113 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5668071 Piezoelectric porcelain Toshikatsu Kashiwaya, Hirofumi Yamaguchi 1997-09-16