SY

Shigeyuki Yamamoto

Ngk Spark Plug Co.: 1 patents #52 of 146Top 40%
📍 Chiyoda, MA: #1 of 1 inventorsTop 100%
Overall (2020): #271,994 of 565,922Top 50%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10639736 Ceramic-metal structure Muneyuki Iwata, Yoshiaki Nagaya, Toshikazu Horio 2020-05-05