TI

Tatsuo Iwata

Ngk Spark Plug Co.: 1 patents #56 of 151Top 40%
Overall (2003): #110,385 of 273,478Top 45%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6590474 Multilayer piezoelectric filter with an air vent between two resonator chambers Kazuhiro Hayashi, Masayuki Watanabe 2003-07-08