Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830041 | Breather device of vehicle engine | — | 2004-12-14 |
| 6724804 | Frequency converter and radio communications system employing the same | Koyo Kegasa, Chitaka Manabe, Yuichiro Goto, Koji Inoue | 2004-04-20 |