Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9525270 | Spark plug | Yuichi Matsunaga | 2016-12-20 |
| 9368944 | Spark plug | — | 2016-06-14 |
| 9236715 | Spark plug and method of manufacturing spark plug | Yukinobu Hasegawa | 2016-01-12 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9525270 | Spark plug | Yuichi Matsunaga | 2016-12-20 |
| 9368944 | Spark plug | — | 2016-06-14 |
| 9236715 | Spark plug and method of manufacturing spark plug | Yukinobu Hasegawa | 2016-01-12 |