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Siwen Liu — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Raleigh, NC: #2,983 of 6,378 inventorsTop 50%

North Carolina: #18,944 of 45,564 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Siwen Liu has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2015 and the most recent in October 2025. Siwen Liu ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Siwen Liu in Raleigh, NC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12439498	Power consumption control circuit, chip and electronic device	Pengfei Cai, Sheng Zhou, Dongfeng Ding, Zhao Ting Liu, Weiyou Peng	2025-10-07
9131857	Apparatus and method for battery-free blood pressure monitor	Tianren Wang, Xuyao Shi, Wenjiao Wang	2015-09-15

Siwen Liu — 2 Patents

Issued Patents All Time

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