YS

Yasushi Sakakura

Ngk Spark Plug Co.: 3 patents #17 of 211Top 9%
Overall (2016): #49,888 of 481,213Top 15%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9525270 Spark plug Yuichi Matsunaga 2016-12-20
9368944 Spark plug 2016-06-14
9236715 Spark plug and method of manufacturing spark plug Yukinobu Hasegawa 2016-01-12