Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12160086 | Spark plug | Tomohiro Iwatsuka | 2024-12-03 |
| 11637412 | Spark plug | — | 2023-04-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12160086 | Spark plug | Tomohiro Iwatsuka | 2024-12-03 |
| 11637412 | Spark plug | — | 2023-04-25 |