Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12095235 | Spark plug | Haruki Yoshida, Hiroki Shimada, Tomoya Kukino, Takuto Koba, Noriyuki Tamura | 2024-09-17 |
| 11005237 | Ignition plug | Seiji Nakano, Kengo Fujimura | 2021-05-11 |
| 10153622 | Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member | Hironori Uegaki, Kazuhiro Kurosawa, Katsuya Takaoka, Kuniharu Tanaka | 2018-12-11 |