Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368285 | Spark plug | Ayato Kawabe, Haruki Yoshida, Takeshi Sakuma | 2025-07-22 |
| 12322931 | Spark plug | Syoma Tsumagari, Soh Tohara, Yuichi Yamada | 2025-06-03 |
| 12249809 | Spark plug insulator and spark plug | Hiroki Shimada, Haruki Yoshida, Takuto Koba | 2025-03-11 |