Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853582 | Spark plug for use in internal combustion engine | Yasuyuki Sato, Hiroyuki Murai | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853582 | Spark plug for use in internal combustion engine | Yasuyuki Sato, Hiroyuki Murai | 1989-08-01 |