Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334800 | Manufacturing method of resistor-incorporated spark plug | Kenichi Nishikawa, Yutaka Tanaka, Makoto Sugimoto | 2002-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334800 | Manufacturing method of resistor-incorporated spark plug | Kenichi Nishikawa, Yutaka Tanaka, Makoto Sugimoto | 2002-01-01 |