ZL

Zhizheng Liu

SL Spansion Llc.: 31 patents #9 of 769Top 2%
AM AMD: 13 patents #907 of 9,279Top 10%
Cypress Semiconductor: 3 patents #568 of 1,852Top 35%
DE Delta Electronics: 1 patents #1,366 of 2,746Top 50%
LP Lineage Power: 1 patents #11 of 36Top 35%
LH Linear Technology Holding: 1 patents #192 of 326Top 60%
📍 Shanghai, CA: #106 of 801 inventorsTop 15%
Overall (All Time): #54,789 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
7553727 Using implanted poly-1 to improve charging protection in dual-poly process Ming Sang Kwan, Bradley Marc Davis, Jean Y. Yang, Yi He 2009-06-30
7432688 Soft-transition controller of a synchronous converter Lam Vu 2008-10-07
7394702 Methods for erasing and programming memory devices Meng Ding, Wei Zheng 2008-07-01
7285827 Back-to-back NPN/PNP protection diodes Yi He, Meng Ding, Wei Zheng 2007-10-23
7269067 Programming a memory device Shankar Sinha, Yi He 2007-09-11
7262095 System and method for reducing process-induced charging Ashot Melik Martirosian, Mark Randolph 2007-08-28
7215577 Flash memory cell and methods for programming and erasing Zengtao T. Liu, Yi He, Mark Randolph 2007-05-08
7167398 System and method for erasing a memory cell Satoshi Torii, Mark Randolph, Yi He 2007-01-23
7120063 Flash memory cell and methods for programming and erasing Zengtao T. Liu, Yi He, Mark Randolph 2006-10-10
7042766 Method of programming a flash memory device using multilevel charge storage Zhigang Wang, Nian Yang 2006-05-09
7042767 Flash memory unit and method of programming a flash memory device Zhigang Wang, Nian Yang 2006-05-09
6967873 Memory device and method using positive gate stress to recover overerased cell Darlene Hamilton, Mark Randolph, Yi He, Edward Hsia, Kulachet Tanpairoj +2 more 2005-11-22
6934190 Ramp source hot-hole programming for trap based non-volatile memory devices Zengtao T. Liu, Yi He, Sameer Haddad, Mark Randolph 2005-08-23
6906959 Method and system for erasing a nitride memory device Mark Randolph, Chi Chang, Yi He, Wei Zheng, Edward Franklin Runnion 2005-06-14
6897110 Method of protecting a memory array from charge damage during fabrication Yi He, Wei Zheng, Mark Randolph, Darlene Hamilton, Ken Tanpairoj 2005-05-24
6869844 Method and structure for protecting NROM devices from induced charge damage during device fabrication Yider Wu, Jean Y. Yang 2005-03-22
6834012 Memory device and methods of using negative gate stress to correct over-erased memory cells Yi He, Edward Franklin Runnion, Zengtao T. Liu, Mark Randolph 2004-12-21
6797565 Methods for fabricating and planarizing dual poly scalable SONOS flash memory Jean Y. Yang, Yider Wu 2004-09-28
6795342 System for programming a non-volatile memory cell Yi He, Mark Randolph, Sameer Haddad 2004-09-21
6795357 Method for reading a non-volatile memory cell Yi He, Mark Randolph, Sameer Haddad 2004-09-21
6788583 Pre-charge method for reading a non-volatile memory cell Yi He, Edward Franklin Runnion, Mark Randolph, Darlene Hamilton, Pauling Chen +1 more 2004-09-07
6768160 Non-volatile memory cell and method of programming for improved data retention Yu-Chuan Li, Mark Randolph 2004-07-27
6639844 Overerase correction method Yi He, Mark Randolph 2003-10-28
6628545 Memory circuit for suppressing bit line current leakage Jiang Li, Yider Wu 2003-09-30
6469915 Resonant reset dual switch forward DC-to-DC converter Guisong Huang, Yilei Gu, Alpha J. Zhang 2002-10-22