Kefeng Zeng

Person

West Deptford, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Radio frequency label for packaging security
- Patent number 9,870,686
- Issue date Jan 16, 2018
- Checkpoint Systems, Inc.
- Kefeng Zeng
- G08 - SIGNALLING
Information Patent Grant
Electronic article surveillance portal
- Patent number 9,508,238
- Issue date Nov 29, 2016
- Checkpoint Systems, Inc.
- Kefeng Zeng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Point of entry deactivation
- Patent number 9,224,021
- Issue date Dec 29, 2015
- Checkpoint Systems, Inc.
- Lothar Grunenberg
- G08 - SIGNALLING
Information Patent Grant
Phase coupler for rotating fields
- Patent number 8,933,790
- Issue date Jan 13, 2015
- Checkpoint Systems, Inc.
- Harry Oung
- G08 - SIGNALLING
Information Patent Grant
Dynamic EAS detection system and method
- Patent number 8,587,489
- Issue date Nov 19, 2013
- Checkpoint Systems, Inc.
- Harry Oung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impedance analysis technique for frequency domain characterization...
- Patent number 7,912,661
- Issue date Mar 22, 2011
- KMG2 Sensors Corporation
- Kefeng Zeng
- G01 - MEASURING TESTING
Information Patent Grant
Technique and electronic circuitry for quantifying a transient sign...
- Patent number 7,113,876
- Issue date Sep 26, 2006
- SenTech Biomed Corporation
- Kefeng Zeng
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
AN ADVERTISING DISPLAY UNIT AND ANTI-THEFT ANTENNA PANEL
- Publication number 20220262220
- Publication date Aug 18, 2022
- SIDEP ELECTRONICS (SHANGHAI) CO., LTD.
- Nimesh SHAH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RADIO FREQUENCY LABEL FOR PACKAGING SECURITY
- Publication number 20170186296
- Publication date Jun 29, 2017
- CHECKPOINT SYSTEMS INC.
- Kefeng Zeng
- G08 - SIGNALLING
Information Patent Application
MULTI-LOOP ANTENNA
- Publication number 20170162952
- Publication date Jun 8, 2017
- Checkpoint Systems, Inc.
- Kefeng Zeng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TAG DEVICE AND SYSTEM
- Publication number 20160162775
- Publication date Jun 9, 2016
- Checkpoint Systems, Inc.
- Kefeng Zeng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC ARTICLE SURVEILLANCE PORTAL
- Publication number 20140266728
- Publication date Sep 18, 2014
- Kefeng Zeng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POINT OF ENTRY DEACTIVATION
- Publication number 20120212343
- Publication date Aug 23, 2012
- CHECKPOINT SYSTEMS, INC.
- Lothar Grunenberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PHASE COUPLER FOR ROTATING FIELDS
- Publication number 20090261976
- Publication date Oct 22, 2009
- Checkpoint Systems, Inc.
- Harry Oung
- G08 - SIGNALLING
Information Patent Application
DYNAMIC EAS DETECTION SYSTEM AND METHOD
- Publication number 20080303673
- Publication date Dec 11, 2008
- Checkpoint Systems, Inc.
- Harry Oung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
System/unit and method employing a plurality of magnetoelastic sens...
- Publication number 20080261261
- Publication date Oct 23, 2008
- KMG2 Sensors Corporation
- Craig A. Grimes
- G01 - MEASURING TESTING
Information Patent Application
Impedance analysis technique for frequency domain characterization...
- Publication number 20080071487
- Publication date Mar 20, 2008
- KMG2 Sensors Corporation
- Kefeng Zeng
- G01 - MEASURING TESTING
Information Patent Application
Technique and electronic circuitry for quantifying a transient sign...
- Publication number 20060064259
- Publication date Mar 23, 2006
- SenTech Biomed Corporation
- Kefeng Zeng
- G01 - MEASURING TESTING

Kefeng Zeng

Person

Patents Grantslast 30 patents

Radio frequency label for packaging security

Electronic article surveillance portal

Point of entry deactivation

Phase coupler for rotating fields

Dynamic EAS detection system and method

Impedance analysis technique for frequency domain characterization...

Technique and electronic circuitry for quantifying a transient sign...

Patents Applicationslast 30 patents

AN ADVERTISING DISPLAY UNIT AND ANTI-THEFT ANTENNA PANEL

RADIO FREQUENCY LABEL FOR PACKAGING SECURITY

MULTI-LOOP ANTENNA

TAG DEVICE AND SYSTEM

ELECTRONIC ARTICLE SURVEILLANCE PORTAL

POINT OF ENTRY DEACTIVATION

PHASE COUPLER FOR ROTATING FIELDS

DYNAMIC EAS DETECTION SYSTEM AND METHOD

System/unit and method employing a plurality of magnetoelastic sens...

Impedance analysis technique for frequency domain characterization...

Technique and electronic circuitry for quantifying a transient sign...