Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664748 | Electric vacuum cleaner | Tomokazu Yoshioka, Tsuyoshi Takanose, Takuya Ogishima | 2003-12-16 |
| 6624606 | Drive control circuit for three-phase brushless motor, motor-driven blower and electric vacuum cleaner | Tsuyoshi Takanose | 2003-09-23 |
| 6545443 | Pulse width modulation circuit controlling output current of an inverter circuit for motor-driven blower or electric vacuum cleaner | — | 2003-04-08 |