Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816783 | Navigation system having in-vehicle and portable modes | Saburo Hashima, Ko Narita, Masaki Ebi | 2004-11-09 |
| 6783795 | Power supply apparatus for discharge surface treatment | Akihiro Goto | 2004-08-31 |
| 6702896 | Apparatus and method for discharge surface treatment | Akihiro Goto | 2004-03-09 |