ST

Shoma Tsumagari

Ngk Spark Plug Co.: 1 patents #65 of 212Top 35%
📍 Tajimi, JP: #6 of 12 inventorsTop 50%
Overall (2018): #237,683 of 503,207Top 50%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10153622 Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member Hironori Uegaki, Kazuhiro Kurosawa, Katsuya Takaoka, Kuniharu Tanaka 2018-12-11