Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D613192 | Controller with sensor for air cleaner | Kohei Tomita, Takeshi Ashida, Hidetomo Ohtsuki, Koyuru Nakano | 2010-04-06 |
| D607348 | Transceiver for controller with sensor for air cleaner | Kohei Tomita, Takeshi Ashida, Hidetomo Ohtsuki, Koyuru Nakano | 2010-01-05 |
| 7520432 | Sensor system | Hiroyuki Inoue, Hitoshi Oba, Koji Shimada, Naoya Nakashita, Hajime Takegawa +3 more | 2009-04-21 |
| 7333912 | Multiple sensor system | Yusuke Iida, Yuichi Inoue, Nobuharu Ishikawa | 2008-02-19 |
| 7305321 | Multiple sensor system | Yusuke Iida, Yuichi Inoue, Nobuharu Ishikawa | 2007-12-04 |
| 7092842 | Multiple sensor system | Yusuke Iida, Yuichi Inoue, Nobuharu Ishikawa | 2006-08-15 |
| 6819100 | Method of creating conversion table for distance detection and displacement sensor | Yusuke Iida, Hidetomo Ohtsuki | 2004-11-16 |