Upl Semiconductor Corp.

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 2

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9 inventors (with patents filed for the assignee):

Yi-Xian Jan (1 out of 5 patents)

Chin-Fu Chen (1 out of 11 patents)

Yi-Yun Tsai (1 out of 5 patents)

4. Sheng-An Ko (1 out of 5 patents)

5. Yen Hui Wang (1 out of 1 patent)

6. Chien Hsien Tsai (1 out of 1 patent)

7. Cheng-Hsing Li (1 out of 1 patent)

8. Kuo-Jen Kuo (1 out of 1 patent)

9. Chao-Chung Huang (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12512759 - Controller of buck-boost conversion circuit and mode switching method thereof (2025-12-30),

2. 10978565 - Power transistor device (2021-04-13),

3. 9666505 - Power MOS transistor die with temperature sensing function and integrated circuit (2017-05-30),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#459 in Hsinchu

#3,315 in Taiwan

Hsinchu, Taiwan

Upl Semiconductor Corp.

Forward Citations = 2

9 inventors:

Yi-Xian Jan (1 out of 5 patents)

Chin-Fu Chen (1 out of 11 patents)

Yi-Yun Tsai (1 out of 5 patents)

4. Sheng-An Ko (1 out of 5 patents)

5. Yen Hui Wang (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Upl Semiconductor Corp.. Retrieved from https://idiyas.com/company/upl-semiconductor

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]