Hideaki Hikosaka, a member of NGK Spark Plug's solid-state battery R&D team, shows a prototype of its all solid-state battery under development during an interview with Reuters in Nagoya, Japan ...

Facing the eventual demise of gasoline engines, the world's biggest maker of spark plugs is turning its focus to a component it believes will be just as vital in the coming era of electric ...

Japan's NGK Spark Plug Co has for years leveraged its expertise in ceramics technology used in spark plugs to expand into sensors, semiconductors and other products mainly for automobiles.