Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10424901 | Spark plug | Seiji Nakano, Hirokazu Kurono, Kuniharu Tanaka, Yutaka Yokoyama, Haruki Yoshida +1 more | 2019-09-24 |
| 10193311 | Spark plug | Yutaka Yokoyama, Kuniharu Tanaka, Nobuyoshi Araki, Hirokazu Kurono, Toshimasa Saji +1 more | 2019-01-29 |