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

David Kuan-Yu Liu — 53 Patents

AMD: 18 patents #607 of 9,279Top 7%
TITexas Instruments: 15 patents #889 of 12,488Top 8%
PSProgrammable Silicon Solutions: 8 patents #2 of 5Top 40%
MPMaxim Integrated Products: 6 patents #117 of 945Top 15%
ATAmic Technology: 5 patents #5 of 30Top 20%
Intel: 1 patents #18,218 of 30,777Top 60%
Dallas, TX: #62 of 7,543 inventorsTop 1%
Texas: #1,525 of 125,132 inventorsTop 2%
Overall (All Time): #49,558 of 4,157,543Top 2%
53 Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
5789295 Method of eliminating or reducing poly1 oxidation at stacked gate edge in flash EPROM process 1998-08-04
5693972 Method and system for protecting a stacked gate edge in a semiconductor device from self-aligned source (sas) etch in a semiconductor device 1997-12-02
5674764 Method of making asymmetric non-volatile memory cell Man Wong 1997-10-07
5656509 Method and test structure for determining gouging in a flash EPROM cell during SAS etch 1997-08-12
5652155 Method for making semiconductor circuit including non-ESD transistors with reduced degradation due to an impurity implant Ming Sang Kwan, Chi Chang 1997-07-29
5650964 Method of inhibiting degradation of ultra short channel charge-carrying devices during discharge Jian Chen, James Hsu, Shengwen Luan, Yuan Tang, Michael A. Van Buskirk 1997-07-22
5646430 Non-volatile memory cell having lightly-doped source region Cetin Kaya 1997-07-08
5625220 Sublithographic antifuse Kueing-Long Chen, Bert R. Riemenschneider 1997-04-29
5624859 Method for providing device isolation and off-state leakage current for a semiconductor device Mark T. Ramsbey 1997-04-29
5612914 Asymmetrical non-volatile memory cell, arrays and methods for fabricating same Man Wong 1997-03-18
5596531 Method for decreasing the discharge time of a flash EPROM cell Ming Sang Kwan, Chi Chang, Sameer Haddad, Yuan Tang 1997-01-21
5590076 Channel hot-carrier page write Sameer Haddad, Chi Chang 1996-12-31
5541875 High energy buried layer implant to provide a low resistance p-well in a flash EPROM array Jian Chen 1996-07-30
5534455 Method for protecting a stacked gate edge in a semiconductor device from self aligned source (SAS) etch 1996-07-09
5521867 Adjustable threshold voltage conversion circuit Jian Chen, Lee Cleveland, Shane Hollmer, Ming Sang Kwan, Nader Radjy 1996-05-28
5517443 Method and system for protecting a stacked gate edge in a semi-conductor device from self aligned source (SAS) etch in a semi-conductor device Yu Sun, Chi Chang 1996-05-14
5482880 Non-volatile memory cell and fabrication method Cetin Kaya 1996-01-09
5470773 Method protecting a stacked gate edge in a semiconductor device from self aligned source (SAS) etch Yu Sun, Chi Chang 1995-11-28
5395797 Antifuse structure and method of fabrication Kueing-Long Chen, Ashwin H. Shah 1995-03-07
5371402 Low capacitance, low resistance sidewall antifuse structure and process Man Wong 1994-12-06
5365105 Sidewall anti-fuse structure and method for making Kueing-Long Chen, Bert R. Riemenschneider 1994-11-15
5300803 Source side injection non-volatile memory cell 1994-04-05
5264384 Method of making a non-volatile memory cell Cetin Kaya 1993-11-23
5250464 Method of making a low capacitance, low resistance sidewall antifuse structure Man Wong 1993-10-05
5219782 Sublithographic antifuse method for manufacturing Kueing-Long Chen 1993-06-15