Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10153622 | Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member | Hironori Uegaki, Shoma Tsumagari, Katsuya Takaoka, Kuniharu Tanaka | 2018-12-11 |
| 10090646 | Spark plug | Katsuya Takaoka, Kuniharu Tanaka, Hisashi KOZUKA, Toshitaka Honda, Hirokazu Kurono +2 more | 2018-10-02 |
| 9997894 | Spark plug having a resistor element | Hironori Uegaki, Katsuya Takaoka, Kuniharu Tanaka | 2018-06-12 |