YH

Yukinobu Hasegawa

Ngk Spark Plug Co.: 2 patents #43 of 211Top 25%
Overall (2016): #83,280 of 481,213Top 20%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9343877 Spark plug and manufacturing method thereof Kei Takahashi 2016-05-17
9236715 Spark plug and method of manufacturing spark plug Yasushi Sakakura 2016-01-12