Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825469 | Vehicle visibility assist device and method | Yasuo Hagisato, Kunihiko Toyofuku, Shinya Kawamata | 2004-11-30 |
| 6693948 | Apparatus for arc-melting cold iron source and method thereof | Hideaki Mizukami, Takashi Nakayama, Teruo Tatefuku, Norio Ao, Toshimichi Maki +2 more | 2004-02-17 |