Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10153619 | Spark plug | Hironori Uegaki, Haruki Yoshida | 2018-12-11 |
| 10090646 | Spark plug | Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Hisashi KOZUKA, Toshitaka Honda +2 more | 2018-10-02 |
| 10084288 | Spark plug | Hironori Uegaki, Seiji Nakano | 2018-09-25 |
| 9912126 | Spark plug insulator containing mullite and spark plug including same | Kengo Fujimura, Toshitaka Honda, Ryuji Nagae | 2018-03-06 |