YU CHUNG-CHE has a total of 17 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, environmental technology and audio-visual technology are ANALOG INTEGRATIONS CORP, KITAMURA NORIYUKI and SHANGHAI BRIGHT POWER SEMICONDUCTOR CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 17 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Environmental technology | |
#3 | Audio-visual technology | |
#4 | Basic communication technologies | |
#5 | Semiconductors | |
#6 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Yu Chung-Che | 17 |
#2 | Lee Li-Min | 6 |
#3 | Shiu Shian-Sung | 5 |
#4 | Lee Chih-Shun | 2 |
#5 | Huang Shih-Chung | 2 |
#6 | Hung Chien-Pang | 2 |
#7 | Li Hai-Po | 1 |
#8 | Liu Juan-Juan | 1 |
#9 | Yu Tsu-Ming | 1 |
#10 | Peng Kuo-Wei | 1 |
Publication | Filing date | Title |
---|---|---|
US2009295776A1 | Light emitting diode driving circuit and controller thereof | |
US2008136343A1 | Resonant DC/AC inverter | |
US2006186833A1 | Fluorescent tube driver circuit system of pulse-width modulation control |