Tetsuo Yama

Title: Tetsuo Yama: Innovator in Radio Communication Systems

Introduction

Tetsuo Yama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of radio communication systems, holding a total of 4 patents. His work focuses on enhancing security and access control in communication networks.

Latest Patents

Yama's latest patents include a control apparatus, a radio communication system, a control method, and a recording medium having a recorded program. The control apparatus is designed to enhance the security of a radio communication system used by a subscriber. It features an acquisition section that collects subscriber information, including encrypted authentication data, and a registration section that stores this information in a core network database. Additionally, the apparatus includes an authentication section that decrypts the authentication information to verify terminal apparatus connections to the core network.

Another patent describes a control apparatus that implements access control for users in a private radio communication network. This apparatus consists of an obtaining unit that gathers subscriber information and a verifying unit that performs authentication for terminal apparatuses requesting network access. The verifying unit checks access authority based on information distinct from the authentication data once the initial authentication is successful.

Career Highlights

Tetsuo Yama is currently employed at NEC Corporation, where he continues to innovate in the field of communication technology. His work has been instrumental in developing systems that prioritize user security and efficient communication.

Collaborations

Yama has collaborated with notable colleagues, including Hideaki Tsuoka and Akihisa Kurashima, contributing to advancements in their shared field of expertise.

Conclusion

Tetsuo Yama's contributions to radio communication systems reflect his commitment to enhancing security and access control in technology. His innovative patents and collaborative efforts position him as a key figure in the industry.