AT

Akifumi Tosa

Ngk Spark Plug Co.: 1 patents #56 of 151Top 40%
Overall (2003): #267,806 of 273,478Top 100%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6569796 Dielectric porcelain composition and dielectric resonator using the same Kazuhisa Itakura, Takashi Oba, Kazushige Obayashi 2003-05-27