Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10153619 | Spark plug | Haruki Yoshida, Hirokazu Kurono | 2018-12-11 |
| 10153622 | Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member | Shoma Tsumagari, Kazuhiro Kurosawa, Katsuya Takaoka, Kuniharu Tanaka | 2018-12-11 |
| 10090646 | Spark plug | Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Hisashi KOZUKA, Toshitaka Honda +2 more | 2018-10-02 |
| 10084288 | Spark plug | Seiji Nakano, Hirokazu Kurono | 2018-09-25 |
| 9997894 | Spark plug having a resistor element | Kazuhiro Kurosawa, Katsuya Takaoka, Kuniharu Tanaka | 2018-06-12 |
| 9871352 | Spark plug | Seiji Nakano, Kouta Yamauchi | 2018-01-16 |