Ningbo Shijia Cleaning Tools Co., Ltd

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USPTO Granted Patents = 5

Forward Citations = 4

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3 inventors (with patents filed for the assignee):

Siwen Wang (5 out of 16 patents)

Yongdong Wang (4 out of 18 patents)

Hui Hu (2 out of 6 patents)

5 patents: Sort by Forward Citations

1. D1138226 - Palm brush (2026-08-04),

2. D1129121 - Bottle brush (2026-06-09),

3. D1123422 - Multi-purpose toilet stool (2026-04-28),

4. D1122691 - Cereal containers storage dispenser (2026-04-21),

5. 12532994 - Cleaning brush and kit thereof (2026-01-27),

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USPTO Data Jan 1 1976 - Nov 3 2026

5 Patents

#124 in Ningbo

#5,286 in China

Ningbo, China

Ningbo Shijia Cleaning Tools Co., Ltd

Forward Citations = 4

3 inventors:

Siwen Wang (5 out of 16 patents)

Yongdong Wang (4 out of 18 patents)

Hui Hu (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ningbo Shijia Cleaning Tools Co., Ltd. Retrieved from https://idiyas.com/company/ningbo-shijia-cleaning-tools

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]