Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939808 | Method and device for manufacturing spark plug | Jiro Kyuno, Keiji Ozeki, Tomoaki Kato | 2015-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939808 | Method and device for manufacturing spark plug | Jiro Kyuno, Keiji Ozeki, Tomoaki Kato | 2015-01-27 |