Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033880 | Method for manufacturing spark plug | Akira Suzuki, Mamoru Musasa | 2011-10-11 |
| 7923910 | Spark plug having a metallic shell with defined relationship between its outer and inner surfaces | Akira Suzuki | 2011-04-12 |