Junkun Zhang

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-spying encrypted keyboard
- Patent number 9,191,207
- Issue date Nov 17, 2015
- GRG Banking Equipment Co., Ltd.
- Junkun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption keypad capable of preventing illegal disassembly
- Patent number 9,043,945
- Issue date May 26, 2015
- GRG Banking Equipment Co., Ltd.
- Junkun Zhang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Anti-prying encrypted keyboard
- Patent number 8,872,047
- Issue date Oct 28, 2014
- GRG Banking Equipment Co., Ltd.
- Zhulong Lin
- G07 - CHECKING-DEVICES
Information Patent Grant
Encryption keyboard
- Patent number 8,772,653
- Issue date Jul 8, 2014
- GRG Banking Equipment Co., Ltd.
- Jing He
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
ENCRYPTION KEYPAD CAPABLE OF PREVENTING ILLEGAL DISASSEMBLY
- Publication number 20130160149
- Publication date Jun 20, 2013
- GRG Banking Equipment Co., Ltd.
- Junkun Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANTI-PRYING ENCRYPTED KEYBOARD
- Publication number 20130148804
- Publication date Jun 13, 2013
- GRG Banking Equipment Co., Ltd.
- Zhulong Lin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANTI-SPYING ENCRYPTED KEYBOARD
- Publication number 20130142327
- Publication date Jun 6, 2013
- GRG Banking Equipment Co., Ltd
- Junkun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ENCRYPTION KEYBOARD
- Publication number 20120193207
- Publication date Aug 2, 2012
- GRG Banking Equipment Co., Ltd.
- Jing He
- G06 - COMPUTING CALCULATING COUNTING