Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10879675 | Spark plug | Haruki Yoshida, Kuniharu Tanaka, Yutaka Yokoyama, Hirokazu Kurono, Toshimasa Saji | 2020-12-29 |
| 10586627 | Spark plug | Haruki Yoshida, Kuniharu Tanaka, Yutaka Yokoyama, Yusuke Nomura, Michitaka Yamada | 2020-03-10 |