Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472801 | Spark plug with a corrosion impeding layer | Yoshihiro Matsubara, Shoichiro Ito, Naomichi Miyashita, Hiroaki Kuki | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472801 | Spark plug with a corrosion impeding layer | Yoshihiro Matsubara, Shoichiro Ito, Naomichi Miyashita, Hiroaki Kuki | 2002-10-29 |