Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472801 | Spark plug with a corrosion impeding layer | Shoichiro Ito, Yuji Hirano, Naomichi Miyashita, Hiroaki Kuki | 2002-10-29 |
| 6464146 | Method of inputting information about a card, apparatus for processing information about a card, and computer product | Toshiyuki Ito, Susumu Terasaka | 2002-10-15 |
| 6335587 | Spark plug | — | 2002-01-01 |