ALFASEMI INC has a total of 11 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2015. It filed its patents most often in United States, EPO (European Patent Office) and Taiwan. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are RADERMACHER HARALD JOSEF GÜNTHER, TRIDONICATCO SCHWEIZ AG and BAG ELECTRONICS GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | EPO (European Patent Office) | 3 | |
#3 | Taiwan | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Environmental technology | |
#3 | Measurement |
# | Name | Total Patents |
---|---|---|
#1 | Chang Yu-Cheng | 10 |
#2 | Shih Te-Lung | 9 |
#3 | Lin Kuo-Chao | 5 |
#4 | Hsieh Chang-Hung | 1 |
Publication | Filing date | Title |
---|---|---|
US10404055B1 | Power line resistance sensing device | |
EP3544382A1 | Power control device | |
US10182479B1 | Voltage regulation circuit for LED tube | |
US9848472B1 | LED device with energy compensation | |
US9674910B1 | Filament simulation circuit for LED tube | |
US9717128B1 | High-safety LED tube | |
US9433052B1 | LED control system suitable for different types of power sources | |
US9615421B1 | LED control circuit |