Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6846214 | Method of manufacturing a spark plug for an internal combustion engine | Nobuo Abe | 2005-01-25 |
| 6078129 | Spark plug having iridium containing noble metal chip attached via a molten bond | Nobuo Abe | 2000-06-20 |