YI

Yoshihiko Ishida

NI Ngk Insulators: 2 patents #51 of 217Top 25%
Overall (2002): #34,452 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6472972 PTC composite material — 2002-10-29
6358436 Inorganic-metal composite body exhibiting reliable PTC behavior — 2002-03-19