| 11212658 |
Method for providing near filed communication device information for user and system therefor |
Huazhang Yu |
2021-12-28 |
| 11188804 |
Smart card and manufacturing method therefor |
Huazhang Yu |
2021-11-30 |
| 11171893 |
Methods and systems for providing virtual collaboration via network |
Gang Han |
2021-11-09 |
| 11146936 |
Method and Bluetooth device for indicating function of Bluetooth device via broadcast data |
Huazhang Yu |
2021-10-12 |
| 11120321 |
Visual card and operating method for same |
Huazhang Yu |
2021-09-14 |
| 11093934 |
Method for realizing digital currency wallet by using hardware, and hardware wallet |
Huazhang Yu |
2021-08-17 |
| 11064358 |
One-time-password authentication method and device |
Huazhang Yu |
2021-07-13 |
| D919002 |
OTP card |
Huazhang Yu |
2021-05-11 |
| 10979427 |
Method and device for authenticating based on authenticating device |
Huazhang Yu |
2021-04-13 |
| 10979409 |
Bluetooth device and working method thereof |
Huazhang Yu |
2021-04-13 |
| 10977432 |
Method for concluding electronic contracts and server |
Huazhang Yu |
2021-04-13 |
| 10963867 |
Hardware wallet and hardware wallet holder identity verification method |
Huazhang Yu |
2021-03-30 |
| 10887103 |
Operating method for push authentication system and device |
Huazhang Yu |
2021-01-05 |