Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8596820 | LED unit and LED lighting lamp using the LED unit | Koichi Fukasawa, Sadato Imai | 2013-12-03 |
| 7880389 | LED lighting lamp | Sadato Imai | 2011-02-01 |
| 7690813 | LED illumination lamp device | Sadato Imai | 2010-04-06 |
| D587219 | Light-emitting diode for illuminating an object | Sadato Imai | 2009-02-24 |
| D587218 | Light-emitting diode for illuminating an object | Sadato Imai | 2009-02-24 |
| D586766 | Light-emitting diode for illuminating an object | Sadato Imai | 2009-02-17 |
| D575243 | Light-emitting diode for illuminating an object | Sadato Imai | 2008-08-19 |