Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489709 | Captive spark plug gasket | Hideki Teramura | 2002-12-03 |
| 6437493 | Glow plug and spark plug, and manufacturing method therefor | Hiroaki Nasu, Chiaki Kumada, Katsunari Ninomiya | 2002-08-20 |