Yuyao, China

Yuyao Dinghui Optical Instrument Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 1

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1 inventor (with patents filed for the assignee):

goldMedal Yan Zhao (2 out of 3 patents)


2 patents:

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#30 in Yuyao

#10,046 in China

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Yuyao, China
Forward Citations = 1

1 inventor:

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