Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9466284 | Operational noise control method for air conditioner | Masaki Ohtsuka | 2016-10-11 |
| 9318091 | Air conditioner | Masaki Ohtsuka | 2016-04-19 |
| 8926286 | Propeller fan, molding die, and fluid feeder | — | 2015-01-06 |
| 8773838 | Sterilization method, ion generating device, ion generating apparatus, and air conditioning apparatus | Yoshinori Sekoguchi, Takeshi Furukawa, Mamoru Morikawa, Toshiaki Takano, Katsutoshi Noguchi +3 more | 2014-07-08 |
| 7854900 | Sterilization method | Yoshinori Sekoguchi, Takeshi Furukawa, Mamoru Morikawa, Toshiaki Takano, Katsutoshi Noguchi +3 more | 2010-12-21 |
| 7040101 | Air refining device and ion generator used for the device | Takashi Kohama, Yoshinori Sekoguchi, Toshiaki Takano, Kazuo Nishikawa, Hideo Nojima +4 more | 2006-05-09 |