Beichen District, Tianjin, China

Tianjin Runshi Science Development Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 52

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2 inventors (with patents filed for the assignee):

goldMedal Hanzhen Zhang (2 out of 4 patents)

silverMedal Lei Zhang (1 out of 11 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#2 in Beichen District, Tianjin

#9,951 in China

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Beichen District, Tianjin, China
Forward Citations = 52

2 inventors:

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