Company Filing History:
10 out of 5,699 
2 out of 8,282 
2 out of 54,766 
Years Active: 2008-2020
Title: Dajiang Zhang: Innovator in Mobile Technology
Introduction
Dajiang Zhang is a prominent inventor based in Beijing, China. He has made significant contributions to the field of mobile technology, holding a total of 14 patents. His work focuses on enhancing mobile device security and provisioning processes.
Latest Patents
One of Zhang's latest patents is related to SIM provisioning of a mobile device. This invention includes a device that comprises a key request module and a key receive module. The key request module is designed to transmit a key request to a provisioning server, while the key receive module is configured to receive a device root key associated with the device from the provisioning server. Additionally, the device features an authentication request transmit module that sends an authentication request containing an international mobile subscriber identity (IMSI) and a device identifier to a first home subscriber server (HSS). The authentication under key agreement (AKA) module performs an AKA procedure using the device root key, thereby authenticating the device for SIM provisioning.
Another notable patent is the method and apparatus for proxy algorithm identity selection. This method involves selecting a security algorithm identity for user equipment that is transitioning to a second network node. The selection is based on the security information of the user equipment and a list of security algorithm identities for the second network node. The process includes generating security keys for communication between the user equipment and the second network node, providing these keys along with the selected security algorithm identity to the second network node, and sending the selected identity back to the user equipment.
Career Highlights
Dajiang Zhang has worked with notable companies such as Nokia Technologies Oy and Nokia Corporation. His experience in these organizations has allowed him to develop innovative solutions that address critical challenges in mobile technology.
Collaborations
Zhang has collaborated with talented individuals in the field, including Yang Liu and Haitao Li. Their combined expertise has contributed to the advancement of mobile technology and security.
Conclusion
Dajiang Zhang is a key figure in the realm of mobile technology innovation. His patents and contributions have significantly impacted the industry, showcasing his dedication to enhancing mobile device security and functionality.