Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476412 | Spark plug | Minoru Nishida, Tadashi Hattori | 1984-10-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476412 | Spark plug | Minoru Nishida, Tadashi Hattori | 1984-10-09 |