Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D503379 | Variable speed drive for electric motors | — | 2005-03-29 |
| D455121 | Inverter | Masaru Takeuchi | 2002-04-02 |
| D454838 | Inverter | Masaru Takeuchi | 2002-03-26 |
| D449817 | Inverter | Masaru Takeuchi | 2001-10-30 |