Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10090646 | Spark plug | Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Hisashi KOZUKA, Hirokazu Kurono +2 more | 2018-10-02 |
| 9912125 | Spark plug | Haruki Yoshida, Jumpei Isasa, Yutaka Yokoyama, Kuniharu Tanaka, Nobuyoshi Araki +1 more | 2018-03-06 |
| 9912126 | Spark plug insulator containing mullite and spark plug including same | Kengo Fujimura, Hirokazu Kurono, Ryuji Nagae | 2018-03-06 |