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Beijing Ctkm Harmonic Drive Co., Ltd.

USPTO Granted Patents = 1

Forward Citations = 32

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4 inventors (with patents filed for the assignee):

Qing Zhu (1 out of 3 patents)

Ke Mei Li (1 out of 1 patent)

Wen Shi Wang (1 out of 1 patent)

4. Jian Li (1 out of 153 patents)

1 patent: Sort by Forward Citations

1. 6152249 - Electric power-assisted bicycle (2000-11-28),

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#1,163 in Beijing

#16,077 in China

Beijing Ctkm Harmonic Drive Co., Ltd.

Forward Citations = 32

4 inventors:

Qing Zhu (1 out of 3 patents)

Ke Mei Li (1 out of 1 patent)

Wen Shi Wang (1 out of 1 patent)

4. Jian Li (1 out of 153 patents)

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