Qi An Chen
China
| Total IP | 1 |
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| Total IP Rank # | 1,260,347 |
| IP Activity Score | 0.4/5.0 1 |
| IP Activity Rank # | 935,454 |
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| Last Patent | 2022 - Control method, device and stora... | |||||||||||||||
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| First Patent | 2013 - Plunger lifting mechanism of a r... | |||||||||||||||
Latest Inventions, Goods, Services
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