TK

Toshiaki Kurahashi

Ngk Spark Plug Co.: 2 patents #30 of 208Top 15%
📍 Konan, JP: #9 of 25 inventorsTop 40%
Overall (2019): #111,556 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10347817 Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition Hisashi KOZUKA, Hideto Yamada, Takayuki Matsuoka, Kazuaki Kitamura, Masato Yamazaki +3 more 2019-07-09
10340441 Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition Hisashi KOZUKA, Hideto Yamada, Takayuki Matsuoka, Kazuaki Kitamura, Masato Yamazaki +3 more 2019-07-02