Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809492 | Speed control device for AC electric motor | Masaya Harakawa | 2004-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809492 | Speed control device for AC electric motor | Masaya Harakawa | 2004-10-26 |