Zhifang Du — 4 Patents at Pocketscience

Zhifang Du has been granted 4 US patents while listed as an inventor at Pocketscience. The first was granted in 1996 and the most recent in December 2025. Zhifang Du ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Zhifang Du in Storrs, CT, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12505881	Semiconductor device, programming method, memory, memory system and electronic device	Yan Wang, Chengcai Hou, Masao Kuriyama, Lichuan Zhao	2025-12-23
6084952	System and method for communicating electronic messages over a telephone network using acoustical coupling	Richard C. Beerman, Brian D. Korek, Zongbo Chen, Wade Langill, Scott Fullam	2000-07-04
6085347	System and method for enhancing modem performance using digital signal processing techniques	—	2000-07-04
5530364	Cable partial discharge location pointer	Matthew S. Mashikian, Paul S. Mashikian	1996-06-25

Zhifang Du — 4 Patents

Issued Patents All Time

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