Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12009639 | Spark plug | Tomokatsu Kashima, Yuya Ono, Yuki Toumatsu, Yudai Kawaguchi, Kazuyoshi Torii | 2024-06-11 |
| 10804682 | Spark plug | Tomokatsu Kashima, Yasushi Sakakura | 2020-10-13 |