A spark plug includes an insulator, a metal shell surrounding the insulator, a center electrode disposed in the insulator, with a front end thereof exposed outside from the insulato
A spark plug including: a center electrode as defined herein; a substantially cylindrical insulator as defined herein; a cylindrical metal shell as defined herein; and a ground elec
" referring to speedy management, "Timely," meaning concentration on development, "Lean," aiming at highly-efficient management, and "Green," green management (consideration for our environment). By incorporating these principles, we strive to make NGK a company of excellence based on global standa...
Application Number: 06/865066 Publication Date: 06/14/1988 Filing Date: 05/19/1986 Export Citation: Click for automatic bibliography generation Assignee: NGK Spark Plug Co. Ltd. (JP) Primary Class: 252/62.9R Other Classes: 524/413 International Classes: ...
Application Number: 12/115840 Publication Date: 11/13/2008 Filing Date: 05/06/2008 Export Citation: Click for automatic bibliography generation Assignee: NGK SPARK PLUG CO., LTD. Primary Class: 204/406 International Classes: G01N27/26
Application Number: 11/452929 Publication Date: 12/29/2009 Filing Date: 06/15/2006 Export Citation: Click for automatic bibliography generation Assignee: NGK Spark Plug Co., Ltd. (Aichi, JP) Primary Class: 219/444.1 Other Classes: 219/541 ...
Application Number: 16/406111 Publication Date: 12/12/2019 Filing Date: 05/08/2019 Export Citation: Click for automatic bibliography generation Assignee: NGK SPARK PLUG CO., LTD. International Classes: F01N3/08;F01N3/20;F01N11/00 View Patent Images: ...