Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663188 | Wheel cover | Isao Sumi, Takashi Yamada, Eiji Saito, Keiichi Kitayama | 2003-12-16 |
| 6641226 | Wheel cover | Isao Sumi, Eiji Saito, Takashi Yamada, Keiichi Kitayama | 2003-11-04 |