KH

Kyohei Hayashi

Ngk Spark Plug Co.: 2 patents #2 of 47Top 5%
Overall (1997): #32,516 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5637543 Ceramic composition for thermistor, thermistor element, and process for producing same Masaki Iwaya, Hiroshi Matsuzaki, Yoshirou Suematsu 1997-06-10
5610111 Ceramic composition for thermistor Masaki Iwaya 1997-03-11