Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161771 | Measurement device for measuring airflow volume and a ventilation resistance and having a specific opening for allowing an opening plate to be replaceable and differential pressure measurement arrangement | Masahiro Koike, Tomoaki Ikeda, Takahisa Toda, Katsumichi Ishihara, Hikaru Urushimoto | 2018-12-25 |
| 10036660 | Measurement device having variable opening orifice for measuring airflow volume and ventilation resistance of wind blowing apparatus | Katsumichi Ishihara, Takahisa Toda, Masahiro Koike, Hikaru Urushimoto | 2018-07-31 |
| 9874215 | Fan motor control unit | Takahisa Toda, Kenta Nishimaki | 2018-01-23 |
| 9857209 | Measurement device for measuring airflow volume and ventilation resistance of wind-blowing apparatus | Katsumichi Ishihara, Takahisa Toda | 2018-01-02 |
| 9246422 | Motor control device and motor control method | Takahisa Toda | 2016-01-26 |
| 9178460 | Motor controller | Toshiyuki Nakamura | 2015-11-03 |
| 8847525 | Motor control device and control method of the same | Noriaki Taniguchi, Takahisa Toda | 2014-09-30 |