Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
LZ

Lizhong Zhang — 9 Patents

IBIbasis: 4 patents #6 of 16Top 40%
ALAlibaba: 2 patents #598 of 2,313Top 30%
BCBeijing Boe Optoelectronics Technology Co.: 1 patents #919 of 1,352Top 70%
JUJilin University: 1 patents #118 of 534Top 25%
BOBOE: 1 patents #7,871 of 12,373Top 65%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Lizhong Zhang has been granted 9 US patents while listed as an inventor at Ibasis. The first was granted in 2009 and the most recent in February 2022. Lizhong Zhang ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Lizhong Zhang in Hangzhou City, MA, CN.

Patents per Year

Patents granted per year, 2009 to 2022Bar chart with a peak of 2 patents in 2009.peak 22009: 2 patents20092012: 2 patents20122013: 1 patents20132014: 1 patents20142016: 1 patents20162020: 1 patents20202022: 1 patents2022

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11250795 Electronic paper display apparatus and method of driving the same Yinan Gao, Qingqing Ma, Shuo Li, Chao Tian, Guojie Qin +4 more 2022-02-15
10560687 LED-based integral imaging display system as well as its control method and device Shigang Wang, Wei Wu, Jian Wei, Yan Zhao, Meilan Piao +3 more 2020-02-11
9307036 Web access using cross-domain cookies Jian MEI, Baohui Pang, Siheng Yu 2016-04-05 $662,102,000
8874695 Web access using cross-domain cookies Jian MEI, Baohui Pang, Siheng Yu 2014-10-28 $51,467,000
8351421 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet Ajay Joseph, Hwan Jang Tang, Paul A. Skelly 2013-01-08
8290137 System and method for using exception routing tables in an internet based telephone call routing system Vitaliy G. Yurchenko 2012-10-16
8248957 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet Ajay Joseph, Hwan Jang Tang, Paul A. Skelly 2012-08-21
7577131 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet Ajay Joseph, Hwan Jang Tang, Paul A. Skelly 2009-08-18 $3,622,000
7529225 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet Ajay Joseph, Hwan Jang Tang, Paul A. Skelly 2009-05-05 $1,770,000