Guofeng Han
China
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| Total IP | 3 |
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| Total IP Rank # | 527,465 |
| IP Activity Score | 0.9/5.0 2 |
| IP Activity Rank # | 488,856 |
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| Last Patent | 2022 - Device and method for high-effic... | |||||||||||||||
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| First Patent | 2019 - Apparatus and method for efficie... | |||||||||||||||
Latest Inventions, Goods, Services
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