Hans Gunawan

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San Mateo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fraud detection in electronic subscription payments
- Patent number 11,660,542
- Issue date May 30, 2023
- Roblox Corporation
- Richard Sim
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Fraud detection in electronic subscription payments
- Patent number 11,097,192
- Issue date Aug 24, 2021
- Roblox Corporation
- Richard Sim
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FRAUD DETECTION IN ELECTRONIC SUBSCRIPTION PAYMENTS
- Publication number 20210379494
- Publication date Dec 9, 2021
- Roblox Corporation
- Richard Sim
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
FRAUD DETECTION IN ELECTRONIC SUBSCRIPTION PAYMENTS
- Publication number 20210205710
- Publication date Jul 8, 2021
- Roblox Corporation
- Richard Sim
- A63 - SPORTS GAMES AMUSEMENTS