Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836203 | Ignition coil for internal combustion engine | — | 2004-12-28 |
| 6810868 | Ignition coil for internal combustion engine | Koji Tsunenaga, Kazutoyo Osuka | 2004-11-02 |
| 6781500 | Ingition coil for internal combustion engine | Kazuhide Kawai, Masafuyu Sano, Shigeya Abe, Masahiro Inagaki, Hajime Kasai +8 more | 2004-08-24 |
| 6720854 | Ignition coil having air layers as insulators and manufacturing method therefor | Takashi Nagata | 2004-04-13 |