Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10586627 | Spark plug | Haruki Yoshida, Kuniharu Tanaka, Shun Kondo, Yutaka Yokoyama, Yusuke Nomura | 2020-03-10 |
| 10348061 | Spark plug | Hideto Yamada, Haruki Yoshida, Kuniharu Tanaka, Yusuke Nomura | 2019-07-09 |
| 10305260 | Spark plug including an insulator with a front end portion having first and second sections | Haruki Yoshida, Kuniharu Tanaka, Toshinori Takeichi, Yusuke Nomura | 2019-05-28 |