Zhiqin Chen

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fractional phase locked loop (PLL) with digital control driven by c...
- Patent number 11,764,795
- Issue date Sep 19, 2023
- QUALCOMM Incorporated
- Burcin Serter Ergun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay cell for quadrature clock generation with insensitivity to PV...
- Patent number 11,329,639
- Issue date May 10, 2022
- QUALCOMM Incorporated
- Chiu Keung Tang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Efficient clock forwarding scheme
- Patent number 10,698,439
- Issue date Jun 30, 2020
- QUALCOMM Incorporated
- Li Sun
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compact phase interpolator
- Patent number 9,755,817
- Issue date Sep 5, 2017
- QUALCOMM Incorporated
- Eskinder Hailu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wideband transmitter with high-frequency signal peaking
- Patent number 9,497,049
- Issue date Nov 15, 2016
- QUALCOMM Incorporated
- Zhiqin Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linearity of phase interpolators by combining current coding and si...
- Patent number 9,485,084
- Issue date Nov 1, 2016
- QUALCOMM Incorporated
- Li Sun
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wideband low-power amplifier
- Patent number 9,484,867
- Issue date Nov 1, 2016
- QUALCOMM Incorporated
- Kenneth Luis Arcudia
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency power manager
- Patent number 9,305,632
- Issue date Apr 5, 2016
- QUALCOMM Incorporated
- Zeeshan Shafaq Syed
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit for generating accurate clock phase signals for high-speed...
- Patent number 9,225,324
- Issue date Dec 29, 2015
- QUALCOMM Incorporated
- Kenneth Arcudia
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Leakage reduction in memory devices
- Patent number 8,780,658
- Issue date Jul 15, 2014
- QUALCOMM Incorporated
- Chang Ho Jung
- G11 - INFORMATION STORAGE
Information Patent Grant
Sense amplifier with selectively powered inverter
- Patent number 8,760,953
- Issue date Jun 24, 2014
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for measuring memory access time using phase dete...
- Patent number 8,707,001
- Issue date Apr 22, 2014
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Wide input bit-rate, power efficient PWM decoder
- Patent number 8,564,365
- Issue date Oct 22, 2013
- QUALCOMM Incorporated
- Nam V. Dang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplitude control for oscillator
- Patent number 8,289,090
- Issue date Oct 16, 2012
- QUALCOMM Incorporated
- Zhiqin Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor memory device and methods of performing a stress test...
- Patent number 8,270,239
- Issue date Sep 18, 2012
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
SRAM yield enhancement by read margin improvement
- Patent number 8,208,316
- Issue date Jun 26, 2012
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Self reset clock buffer in memory devices
- Patent number 8,000,165
- Issue date Aug 16, 2011
- QUALCOMM Incorporated
- Changho Jung
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method of conditional control of latch circuit devices
- Patent number 7,962,681
- Issue date Jun 14, 2011
- QUALCOMM Incorporated
- Hari Rao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Self reset clock buffer in memory devices
- Patent number 7,948,824
- Issue date May 24, 2011
- QUALCOMM Incorporated
- Changho Jung
- G11 - INFORMATION STORAGE
Information Patent Grant
Clock and control signal generation for high performance memory dev...
- Patent number 7,881,147
- Issue date Feb 1, 2011
- QUALCOMM Incorporated
- Zhiqin Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Advanced bit line tracking in high performance memory compilers
- Patent number 7,859,920
- Issue date Dec 28, 2010
- QUALCOMM Incorporated
- Chang Ho Jung
- G11 - INFORMATION STORAGE
Information Patent Grant
Semi-shared sense amplifier and global read line architecture
- Patent number 7,656,731
- Issue date Feb 2, 2010
- Qualcomm, Incorporated
- Chang Ho Jung
- G11 - INFORMATION STORAGE
Information Patent Grant
Memory device with delay tracking for improved timing margin
- Patent number 7,646,658
- Issue date Jan 12, 2010
- QUALCOMM Incorporated
- Zhiqin Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-timing circuit with programmable delay and programmable accele...
- Patent number 7,499,347
- Issue date Mar 3, 2009
- QUALCOMM Incorporated
- Zhiqin Chen
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
FRACTIONAL PHASE LOCKED LOOP (PLL) WITH DIGITAL CONTROL DRIVEN BY C...
- Publication number 20230170911
- Publication date Jun 1, 2023
- QUALCOMM Incorporated
- Burcin Serter ERGUN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
COMPACT PHASE INTERPOLATOR
- Publication number 20170222789
- Publication date Aug 3, 2017
- QUALCOMM Incorporated
- Eskinder Hailu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIDEBAND TRANSMITTER WITH HIGH-FREQUENCY SIGNAL PEAKING
- Publication number 20160072645
- Publication date Mar 10, 2016
- QUALCOMM Incorporated
- Zhiqin Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIDEBAND LOW-POWER AMPLIFIER
- Publication number 20160020740
- Publication date Jan 21, 2016
- QUALCOMM Incorporated
- Kenneth Luis Arcudia
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Linearity of Phase Interpolators by Combining Current Coding and Si...
- Publication number 20150358148
- Publication date Dec 10, 2015
- QUALCOMM Incorporated
- Li Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CIRCUIT FOR GENERATING ACCURATE CLOCK PHASE SIGNALS FOR HIGH-SPEED...
- Publication number 20150303909
- Publication date Oct 22, 2015
- QUALCOMM Incorporated
- Kenneth Arcudia
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DELAY ARCHITECTURE FOR REDUCING DOWNTIME DURING FREQUENCY SWITCHING
- Publication number 20150109034
- Publication date Apr 23, 2015
- QUALCOMM Incorporated
- Narasimhan Vasudevan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FREQUENCY POWER MANAGER
- Publication number 20140321227
- Publication date Oct 30, 2014
- QUALCOMM Incorporated
- Zeeshan SYED
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Wide Input Bit-Rate, Power Efficient PWM Decoder
- Publication number 20130187708
- Publication date Jul 25, 2013
- QUALCOMM Incorporated
- Nam V. Dang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sense Amplifier with Selectively Powered Inverter
- Publication number 20120082174
- Publication date Apr 5, 2012
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Amplitude Control for Oscillator
- Publication number 20120068774
- Publication date Mar 22, 2012
- QUALCOMM Incorporated
- Zhiqin Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Self Reset Clock Buffer In Memory Devices
- Publication number 20100238756
- Publication date Sep 23, 2010
- QUALCOMM Incorporated
- Changho Jung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Leakage Reduction in Memory Devices
- Publication number 20100226191
- Publication date Sep 9, 2010
- QUALCOMM Incorporated
- Changho Jung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Memory Access Time Measurement Using Phase Detector
- Publication number 20100146320
- Publication date Jun 10, 2010
- QUALCOMM Incorporated
- Nan Chen
- G01 - MEASURING TESTING
Information Patent Application
Semiconductor Memory Device And Methods Of Performing A Stress Test...
- Publication number 20100142300
- Publication date Jun 10, 2010
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Self Reset Clock Buffer In Memory Devices
- Publication number 20100061161
- Publication date Mar 11, 2010
- QUALCOMM Incorporated
- Changho Jung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SRAM Yield Enhancement by Read Margin Improvement
- Publication number 20100046280
- Publication date Feb 25, 2010
- QUALCOMM Incorporated
- Nan Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Advanced Bit Line Tracking in High Performance Memory Compilers
- Publication number 20090231934
- Publication date Sep 17, 2009
- QUALCOMM Incorporated
- Chang Ho Jung
- G11 - INFORMATION STORAGE
Information Patent Application
System and Method of Conditional Control of Latch Circuit Devices
- Publication number 20090174453
- Publication date Jul 9, 2009
- QUALCOMM Incorporated
- Hari Rao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MEMORY DEVICE WITH DELAY TRACKING FOR IMPROVED TIMING MARGIN
- Publication number 20080298143
- Publication date Dec 4, 2008
- Zhiqin Chen
- G11 - INFORMATION STORAGE
Information Patent Application
CLOCK AND CONTROL SIGNAL GENERATION FOR HIGH PERFORMANCE MEMORY DEV...
- Publication number 20080298142
- Publication date Dec 4, 2008
- Zhiqin Chen
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR REDUCING LEAKAGE CURRENT IN MEMORY ARRAYS
- Publication number 20080285367
- Publication date Nov 20, 2008
- Chang Ho Jung
- G11 - INFORMATION STORAGE
Information Patent Application
SEMI-SHARED SENSE AMPLIFIER AND GLOBAL READ LINE ARCHITECTURE
- Publication number 20080239847
- Publication date Oct 2, 2008
- Chang Ho Jung
- G11 - INFORMATION STORAGE
Information Patent Application
SELF-TIMING CIRCUIT WITH PROGRAMMABLE DELAY AND PROGRAMMABLE ACCELE...
- Publication number 20080037338
- Publication date Feb 14, 2008
- Zhiqin Chen
- G11 - INFORMATION STORAGE

Zhiqin Chen

Person

Patents Grantslast 30 patents

Fractional phase locked loop (PLL) with digital control driven by c...

Delay cell for quadrature clock generation with insensitivity to PV...

Efficient clock forwarding scheme

Compact phase interpolator

Wideband transmitter with high-frequency signal peaking

Linearity of phase interpolators by combining current coding and si...

Wideband low-power amplifier

Frequency power manager

Circuit for generating accurate clock phase signals for high-speed...

Leakage reduction in memory devices

Sense amplifier with selectively powered inverter

Method and system for measuring memory access time using phase dete...

Wide input bit-rate, power efficient PWM decoder

Amplitude control for oscillator

Semiconductor memory device and methods of performing a stress test...

SRAM yield enhancement by read margin improvement

Self reset clock buffer in memory devices

System and method of conditional control of latch circuit devices

Self reset clock buffer in memory devices

Clock and control signal generation for high performance memory dev...

Advanced bit line tracking in high performance memory compilers

Semi-shared sense amplifier and global read line architecture

Memory device with delay tracking for improved timing margin

Self-timing circuit with programmable delay and programmable accele...

Patents Applicationslast 30 patents

FRACTIONAL PHASE LOCKED LOOP (PLL) WITH DIGITAL CONTROL DRIVEN BY C...

COMPACT PHASE INTERPOLATOR

WIDEBAND TRANSMITTER WITH HIGH-FREQUENCY SIGNAL PEAKING

WIDEBAND LOW-POWER AMPLIFIER

Linearity of Phase Interpolators by Combining Current Coding and Si...

CIRCUIT FOR GENERATING ACCURATE CLOCK PHASE SIGNALS FOR HIGH-SPEED...

DELAY ARCHITECTURE FOR REDUCING DOWNTIME DURING FREQUENCY SWITCHING

FREQUENCY POWER MANAGER

Wide Input Bit-Rate, Power Efficient PWM Decoder

Sense Amplifier with Selectively Powered Inverter

Amplitude Control for Oscillator

Self Reset Clock Buffer In Memory Devices

Leakage Reduction in Memory Devices

Memory Access Time Measurement Using Phase Detector

Semiconductor Memory Device And Methods Of Performing A Stress Test...

Self Reset Clock Buffer In Memory Devices

SRAM Yield Enhancement by Read Margin Improvement

Advanced Bit Line Tracking in High Performance Memory Compilers

System and Method of Conditional Control of Latch Circuit Devices

MEMORY DEVICE WITH DELAY TRACKING FOR IMPROVED TIMING MARGIN

CLOCK AND CONTROL SIGNAL GENERATION FOR HIGH PERFORMANCE MEMORY DEV...

METHOD AND APPARATUS FOR REDUCING LEAKAGE CURRENT IN MEMORY ARRAYS

SEMI-SHARED SENSE AMPLIFIER AND GLOBAL READ LINE ARCHITECTURE

SELF-TIMING CIRCUIT WITH PROGRAMMABLE DELAY AND PROGRAMMABLE ACCELE...