Tatsuji Nagaoka

Title: **Innovator Tatsuji Nagaoka: Pioneering Mobile Communication Technologies in Sapporo**

Introduction

Tatsuji Nagaoka, a prominent inventor based in Sapporo, Japan, has made significant contributions to the field of mobile communication technology. With three patents to his name, Nagaoka has developed innovative solutions that enhance user experience and streamline the delivery of digital content.

Latest Patents

Nagaoka's latest patents encompass groundbreaking advancements in information systems, mobile communication terminals, and methods for efficient information transfer. One notable patent describes a system where users send request signals to a delivery management server through mobile stations in response to broadcast services from a corresponding broadcast station. This system allows users to request specific music song data segments by providing a song ID and delivery address. In scenarios involving unpopular songs, the server returns both the music segments and a decrypting key, whereas for popular songs, the server only returns the decrypting key, ensuring content is accessed efficiently and securely.

Another notable invention focuses on creating a program guide information system that enables users to reserve broadcasting details through an Electronic Program Guide (EPG) server. This innovative method retrieves program information based on users' preferences, allowing them to access and instruct recording operations via their mobile devices, even while away from home.

Career Highlights

Nagaoka's career is marked by his tenure at leading technology firms, including NTT Docomo, Inc. and NTT Advanced Technology Corporation. His work in these organizations has been pivotal in advancing mobile communication technologies and enhancing user accessibility to information services.

Collaborations

Throughout his career, Tatsuji Nagaoka has collaborated with esteemed colleagues, including Hiroji Saito and Tomoko Matsuura. Together, they have contributed to several projects that have pushed the boundaries of technology and innovation in the mobile communication realm.

Conclusion

Tatsuji Nagaoka stands as a testament to the spirit of innovation in Japan. His patents reflect a deep understanding of consumer needs and technological trends, ensuring that users benefit from seamless and efficient access to digital content. As mobile communication continues to evolve, inventors like Nagaoka will undoubtedly play a vital role in shaping the future of communication technology.