Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10541517 | Spark plug for internal combustion engine and method for manufacturing the same | Kenji Hattori, Ryuichi Ohno | 2020-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10541517 | Spark plug for internal combustion engine and method for manufacturing the same | Kenji Hattori, Ryuichi Ohno | 2020-01-21 |