For the Inventor, By the Inventor

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Hsg Laser Co., Ltd.

USPTO Granted Patents = 3

Trademarks = 5

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Bin Du (2 out of 2 patents)

Yong Chang (2 out of 2 patents)

Yang Liu (1 out of 47 patents)

4. Ruotao Li (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12337413 - System for shaping beam and adjusting beam energy density, and laser heat treatment process (2025-06-24),

2. 11766741 - Varifocal laser processing system and method based on variable light spot diffractive element (2023-09-26),

3. 11642742 - Laser pipe cutting device (2023-05-09),

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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#102 in Foshan

#8,360 in China

Hsg Laser Co., Ltd.

Forward Citations = 1

4 inventors:

Bin Du (2 out of 2 patents)

Yong Chang (2 out of 2 patents)

Yang Liu (1 out of 47 patents)

4. Ruotao Li (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hsg Laser Co., Ltd.. Retrieved from https://idiyas.com/company/hsg-laser-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]

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