Ronald King-Hang Chu

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling certificate based open payment tr...
- Patent number 10,579,977
- Issue date Mar 3, 2020
- Citicorp Credit Services, Inc. (USA)
- Joseph Kawan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for controlling certificate based open payment tr...
- Patent number 10,373,141
- Issue date Aug 6, 2019
- Citicorp Credit Services, Inc. (USA)
- Joseph C. Kawan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for controlling certificate based open payment tr...
- Patent number 9,928,491
- Issue date Mar 27, 2018
- Citicorp Credit Services, Inc. (USA)
- Joseph C. Kawan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and systems for secure user authentication
- Patent number 9,768,963
- Issue date Sep 19, 2017
- Citicorp Credit Services, Inc. (USA)
- Ronald King-Hang Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for controlling certificate based open payment tr...
- Patent number 9,607,292
- Issue date Mar 28, 2017
- Citicorp Credit Services, Inc. (USA)
- Joseph C. Kawan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and systems for secure user authentication
- Patent number 9,002,750
- Issue date Apr 7, 2015
- Citicorp Credit Services, Inc. (USA)
- Ronald King-Hang Chu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
System and method for user authentication
- Publication number 20010049785
- Publication date Dec 6, 2001
- Joseph C. Kawan
- G06 - COMPUTING CALCULATING COUNTING