KY

Katsuya Yamagiwa

Ngk Spark Plug Co.: 1 patents #72 of 203Top 40%
📍 Ebeye: #115 of 427 inventorsTop 30%
Overall (2017): #351,772 of 506,227Top 70%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9828296 Lead-free piezoelectric ceramic composition, method for producing same, piezoelectric element using lead-free piezoelectric ceramic composition, ultrasonic processing machine, ultrasonic drive device, and sensing device Masato Yamazaki, Takayuki Matsuoka, Kazuaki Kitamura, Hideto Yamada, Toshiaki Kurahashi +1 more 2017-11-28