TK

Toshikatsu Kashiwaya

NI Ngk Insulators: 1 patents #50 of 163Top 35%
Overall (1997): #65,938 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5668071 Piezoelectric porcelain Hirofumi Yamaguchi, Tadashi Otagiri 1997-09-16