Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10033163 | Spark plug | Daisuke Sumoyama, Tsutomu Shibata | 2018-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10033163 | Spark plug | Daisuke Sumoyama, Tsutomu Shibata | 2018-07-24 |