NGK SPARK PLUG., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for NGK SPARK PLUG., LTD..The latest application filed is for "method of manufacturing sensor and sensor".
- NGK SPARK PLUG., LTD. - Nagoya JP
- NGK Spark Plug., Ltd. - Aichi JP
| Patent | Date |
|---|---|
| Method of manufacturing spark plug Grant 9,160,148 - Kyuno October 13, 2 | 2015-10-13 |
| Spark plug having a substantially columnar electrode tip welded to a component thereof Grant 8,664,844 - Miyashita , et al. March 4, 2 | 2014-03-04 |
| Manufacturing method for spark plug Grant 8,641,468 - Tanaka , et al. February 4, 2 | 2014-02-04 |
| Method Of Manufacturing Sensor And Sensor App 20080116068 - Matsuo; Kouji ; et al. | 2008-05-22 |
| Intermediate substrate Grant 6,979,890 - Kambe , et al. December 27, 2 | 2005-12-27 |
| Glaze layer for a spark plug Grant 6,822,378 - Nishikawa , et al. November 23, 2 | 2004-11-23 |
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