Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7405390 | Position detection system | Masahito Sano, Akiko Numata | 2008-07-29 |
| 6664748 | Electric vacuum cleaner | Hiroyuki Kushida, Tomokazu Yoshioka, Takuya Ogishima | 2003-12-16 |
| 6624606 | Drive control circuit for three-phase brushless motor, motor-driven blower and electric vacuum cleaner | Hiroyuki Kushida | 2003-09-23 |
| 6490752 | Inverter control circuit of motor-driven blower for electric vacuum cleaner, drive control circuit using the same, and electric vacuum cleaner using drive control circuit | Hiroyuki Kushida | 2002-12-10 |