% Expired Patents = 50.0

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

Xiaoguo Dai (2 out of 20 patents)

Zhenwu Xu (2 out of 20 patents)

2 patents: Sort by Forward Citations

1. 12402718 - Toothbrush (2025-09-02),

2. 10582990 - Head module capable of reciprocal rotation for electric cleaning apparatus (2020-03-10),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#889 in Shanghai

#11,528 in China

Shanghai, China

Shanghai Shift Electronics Co., Ltd.

Forward Citations = 4

2 inventors:

Xiaoguo Dai (2 out of 20 patents)

Zhenwu Xu (2 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shanghai Shift Electronics Co., Ltd.. Retrieved from https://idiyas.com/company/shanghai-shift-electronics-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]