Haisong Dong
China
| Total IP | 6 |
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| Total IP Rank # | 259,358 |
| IP Activity Score | 1.4/5.0 5 |
| IP Activity Rank # | 197,349 |
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| Last Patent | 2022 - Illumination devices | |||||||||||||||
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| First Patent | 2017 - Illumination devices | |||||||||||||||
Latest Inventions, Goods, Services
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