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For the Inventor, By the Inventor

Nanjing, China

Puresemi Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 2

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6 inventors (with patents filed for the assignee):

goldMedal Zhaoyu Jiang (3 out of 3 patents)

silverMedal Ruoping Zhang (2 out of 2 patents)

bronzeMedal Shuzhuan He (2 out of 2 patents)

4.  Junjie Chen (2 out of 4 patents)

5.  Xiao Song (1 out of 1 patent)

6.  Mao Zhao (1 out of 1 patent)


3 patents:

1. 12243470 - LED display driver chip with analog and digital units and method for driving the same (2025-03-04),
2. 11295657 - Method and system for switched display of grayscale of multi-line scan led (2022-04-05),
3. 10599176 - Bandgap reference circuit and high-order temperature compensation method (2020-03-24),
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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#135 in Nanjing

#8,360 in China

Nanjing, CN
Nanjing, China

Puresemi Co., Ltd.

Forward Citations = 2

6 inventors:

goldMedal Zhaoyu Jiang (3 out of 3 patents)

silverMedal Ruoping Zhang (2 out of 2 patents)

bronzeMedal Shuzhuan He (2 out of 2 patents)

4.  Junjie Chen (2 out of 4 patents)

5.  Xiao Song (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Puresemi Co., Ltd.. Retrieved from https://idiyas.com/company/puresemi-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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