Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ZL

Zhixin Li — 36 Patents

FEFerrofluidics: 5 patents #5 of 52Top 10%
F(Ferrotec (Usa): 5 patents #2 of 21Top 10%
GTGeneral Signal Technology: 5 patents #1 of 6Top 20%
SCState Grid Jiangsu Electric Power Co.: 3 patents #18 of 343Top 6%
SUSoutheast University: 2 patents #123 of 873Top 15%
SCState Grid Corporation Of China: 2 patents #96 of 1,453Top 7%
Huawei: 1 patents #8,196 of 15,535Top 55%
BBBrunob Ii Bv: 1 patents #7 of 33Top 25%
CDCorn Products Development: 1 patents #44 of 129Top 35%
SPSpx: 1 patents #217 of 468Top 50%
WUWuyi University: 1 patents #63 of 158Top 40%
Overall (All Time): #91,899 of 4,157,543Top 3%
36 Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
6358314 Czochralski crystal growth system with an independently supported pull head 2002-03-19
6242994 Apparatus to reduce push back time in solenoid valves Christian Ionescu 2001-06-05
6071340 Apparatus for melt-level detection in Czochralski crystal growth systems 2000-06-06
6042645 Method for independently supporting the pull head of a czochralski crystal growing system 2000-03-28
5968267 Antivibration support for Czochralski crystal growing systems 1999-10-19
5944892 Multiple station crystal growing system and method of using same 1999-08-31
5932007 Method and apparatus for securely supporting a growing crystal in a czochralski crystal growth system 1999-08-03
5879452 Czochralski crystal growth system with an independently supported pull head 1999-03-09
5824149 Method and apparatus for controlling crystal temperature gradients in crystal growing systems 1998-10-20
5797990 Apparatus for damping a crystal ingot suspension in a Czochralski crystal puller 1998-08-25
5594241 Apparatus and method for jitter attenuation in rotary encoders Steve Ham 1997-01-14