SHI, Junsheng
China
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Total IP | 3 |
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Total IP Rank # | 512,054 |
IP Activity Score | 0/5.0 0 |
IP Activity Rank # | 1,693,600 |
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Last Patent | 2007 - Electronic ballast startup outpu... | |||||||||||||||
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First Patent | 2006 - A passive power factor correctio... |
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