Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316868 | Spark plug for internal combustion engine having better self-cleaning function | Yasutake Ishino, Hironori Osamura | 2001-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316868 | Spark plug for internal combustion engine having better self-cleaning function | Yasutake Ishino, Hironori Osamura | 2001-11-13 |