Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863871 | Illumination device for color sorter | Sumio Tagawa, Hidenobu Kado | 2018-01-09 |
| 9114430 | Piezoelectric valve, and optical particulate matter sorter provided with air-blowing means that uses piezoelectric valve | Takafumi Ito, Tadashi Matsushita, Sze Keat Chee, Takeshi Yano, Takeshi Kamima +1 more | 2015-08-25 |
| 8833566 | Optical granular material-sorting apparatus utilizing piezoelectric valve | Takafumi Ito, Takeshi Yano, Sze Keat Chee, Toshiro Higuchi | 2014-09-16 |
| 8662312 | Piezoelectric valve and optical granular material-sorting apparatus utilizing such piezoelectric valve | Takafumi Ito, Takeshi Yano, Sze Keat Chee, Toshiro Higuchi | 2014-03-04 |