Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503272 | Rack and pinion type power transmission and apparatus for driving embroidery frame of embroidery machine having the same | — | 2009-03-17 |
| 5705997 | Self illumination circuit of a hand-held remote control device and self illumination method thereof | — | 1998-01-06 |
| 5567162 | Karaoke system capable of scoring singing of a singer on accompaniment thereof | — | 1996-10-22 |
| 5153649 | Device for mounting a magnetic roller of a developing unit for a copying apparatus | — | 1992-10-06 |