DL

David Kuan-Yu Liu

AM AMD: 18 patents #607 of 9,279Top 7%
TI Texas Instruments: 15 patents #889 of 12,488Top 8%
PS Programmable Silicon Solutions: 8 patents #2 of 5Top 40%
MP Maxim Integrated Products: 6 patents #117 of 945Top 15%
AT Amic Technology: 5 patents #5 of 30Top 20%
IN Intel: 1 patents #18,218 of 30,777Top 60%
Overall (All Time): #49,558 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 25 most recent of 53 patents

Patent #TitleCo-InventorsDate
7944750 Multi-programmable non-volatile memory cell Albert Bergemont, Venkatraman Prabhakar, Sridevi Rajagopalan Schmidt 2011-05-17
7835184 EEPROM memory cell with first-dopant-type control gate transister, and second-dopant type program/erase and access transistors formed in common well Nirmal Ratnakumar, Venkatraman Prabhakar 2010-11-16
7835186 Method of programming a selected memory cell Nirmal Ratnakumar, Venkatraman Prabhakar 2010-11-16
7791955 Method of erasing a block of memory cells Nirmal Ratnakumar, Venkatraman Prabhakar 2010-09-07
7535758 One or multiple-times programmable device Albert Bergemont, Venkatraman Prabhakar 2009-05-19
7436710 EEPROM memory device with cell having NMOS in a P pocket as a control gate, PMOS program/erase transistor, and PMOS access transistor in a common well Nirmal Ratnakumar, Venkatraman Prabhakar 2008-10-14
7301194 Shrinkable and highly coupled double poly EEPROM with inverter Sunhom Paak, Anders T. Dejenfelt, Cyrus Chang, Qi Lin, Phillip A. Young 2007-11-27
7091077 Method of directionally trimming polysilicon width Jonathan Chang 2006-08-15
6835979 Nonvolatle memory Ting-Wah Wong 2004-12-28
6711063 EEPROM memory cell array architecture for substantially eliminating leakage current Anders T. Dejenfelt 2004-03-23
6624026 Nonvolatile memory Ting-Wah Wong, Kelvin Yupak Hui 2003-09-23
6326265 Device with embedded flash and EEPROM memories Ting-Wah Wong 2001-12-04
6252799 Device with embedded flash and EEPROM memories Ting-Wah Wong 2001-06-26
6188604 Flash memory cell & array with improved pre-program and erase characteristics Kou-Su Chen, Vei-Han Chan 2001-02-13
6185133 Flash EPROM using junction hot hole injection for erase Vei-Han Chan, Kou-Su Chen 2001-02-06
6159800 Method of forming a memory cell Ting-Wah Wong 2000-12-12
6127225 Memory cell having implanted region formed between select and sense transistors Ting-Wah Wong 2000-10-03
6088263 Non-volatile memory using substrate electrons Ting-Wah Wong, Kelvin Yupak Hui 2000-07-11
6027974 Nonvolatile memory Ting-Wah Wong 2000-02-22
6026017 Compact nonvolatile memory Ting-Wah Wong, Kelvin Yupak Hui 2000-02-15
5995418 Circuit and method for erasing flash memory array Kou-Su Chen 1999-11-30
5981994 Method and semiconductor circuit for maintaining integrity of field threshold voltage requirements Jian Chen, Ming Sang Kwan 1999-11-09
5930174 Circuit and method for erasing flash memory array Kou-Su Chen 1999-07-27
5912836 Circuit for detecting both charge gain and charge loss properties in a non-volatile memory array Kou-Su Chen 1999-06-15
5814864 Semiconductor circuit including non-ESD transistors with reduced degradation due to an impurity implant 1998-09-29