Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843167 | Spark plug | Hironori Uegaki | 2017-12-12 |
| 9711951 | Spark plug | Haruki Yoshida, Toshitaka Honda | 2017-07-18 |
| 9614354 | Spark plug | Haruki Yoshida, Jumpei Kita, Toshitaka Honda | 2017-04-04 |