YI

Yoshihito Ikai

Ngk Spark Plug Co.: 1 patents #52 of 146Top 40%
Overall (2020): #213,145 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10557451 Ceramic heater and glow plug Hiroki Takeuchi 2020-02-11