Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337533 | Spark plug for internal combustion engine and method for manufacturing same | Ken Hanashi, Keiji Kanao | 2002-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337533 | Spark plug for internal combustion engine and method for manufacturing same | Ken Hanashi, Keiji Kanao | 2002-01-08 |