Issued Patents All Time
Showing 1–12 of 12 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, Yo Muramatsu, 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, Yo Muramatsu, Masahiro Koike, Hikaru Urushimoto | 2018-07-31 |
| 9874215 | Fan motor control unit | Yo Muramatsu, Kenta Nishimaki | 2018-01-23 |
| 9857209 | Measurement device for measuring airflow volume and ventilation resistance of wind-blowing apparatus | Katsumichi Ishihara, Yo Muramatsu | 2018-01-02 |
| 9705385 | Product specification setting apparatus and fan motor having the same | Tetsuya Yamazaki | 2017-07-11 |
| 9369069 | Control device of fan motor | Takashi Kaise, Jiro Watanabe | 2016-06-14 |
| 9252700 | Motor controller | — | 2016-02-02 |
| 9246422 | Motor control device and motor control method | Yo Muramatsu | 2016-01-26 |
| 8847525 | Motor control device and control method of the same | Noriaki Taniguchi, Yo Muramatsu | 2014-09-30 |
| 8164008 | Electrical apparatus | Haruhisa Maruyama, Tomoaki Ikeda | 2012-04-24 |
| 7809750 | Data management apparatus that controls a data storage apparatus by transmitting command of structured document format | — | 2010-10-05 |
| D561709 | Fan | Jiro Watanabe | 2008-02-12 |