Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340667 | Spark plug | Kuniharu Tanaka, Hirokazu Kurono, Haruki Yoshida, Hironori Uegaki | 2019-07-02 |
| 10305260 | Spark plug including an insulator with a front end portion having first and second sections | Haruki Yoshida, Kuniharu Tanaka, Michitaka Yamada, Yusuke Nomura | 2019-05-28 |