Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852340 | Low-voltage type igniter plug having a semiconductor for use in jet and other internal combustion engines and a method of making the semiconductor | Yukihiko Ito | 1998-12-22 |
| 5109178 | Spark plug for internal combustion engine | Mitsutaka Yoshida, Akihiro Toya, Akihisa Harada, Makoto Sugimoto, Toru Moriya | 1992-04-28 |