Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10205305 | Spark plug | Hironori Uegaki, Hirokazu Kurono | 2019-02-12 |
| 10014665 | Spark plug | Haruki Yoshida | 2018-07-03 |
| 9614354 | Spark plug | Haruki Yoshida, Yoshitomo Iwasaki, Toshitaka Honda | 2017-04-04 |
| 9484718 | Spark plug | Haruki Yoshida, Takamitsu Mizuno, Masaaki Kumagai, Yoshitomo Iwasaki, Toshitaka Honda | 2016-11-01 |
| 8987980 | Spark plug | Haruki Yoshida, Takamitsu Mizuno | 2015-03-24 |