Joulwatt Technology (Hangzhou) Co., Ltd

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USPTO Granted Patents = 4

Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Pitleong Wong (2 out of 44 patents)

Xianghua Jiang (2 out of 6 patents)

Yangwei Yu (2 out of 6 patents)

4. Junming Zhang (2 out of 48 patents)

5. Xiangyong Xu (2 out of 12 patents)

6. Linjue Li (1 out of 5 patents)

7. Xunjin Dou (1 out of 4 patents)

8. Aimim Xu (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12744465 - Soft switch control circuit of flyback converter and flyback converter applying the same (2026-09-22),

2. 12706544 - Protection circuit of flyback converter and control method (2026-08-11),

3. 12647032 - Fast-response switch power supply control circuit and control method thereof (2026-06-02),

4. 12609619 - Multi-mode buck-boost converter and control method with shared capacitor (2026-04-21),

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USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#164 in Hangzhou

#6,444 in China

Hangzhou, China

Joulwatt Technology (Hangzhou) Co., Ltd

Forward Citations = 0

8 inventors:

Pitleong Wong (2 out of 44 patents)

Xianghua Jiang (2 out of 6 patents)

Yangwei Yu (2 out of 6 patents)

4. Junming Zhang (2 out of 48 patents)

5. Xiangyong Xu (2 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Joulwatt Technology (Hangzhou) Co., Ltd. Retrieved from https://idiyas.com/company/joulwatt-technology-hangzhou

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]