Tadaaki Tonegawa

Title: Tadaaki Tonegawa: Innovator in Data Distribution Systems

Introduction

Tadaaki Tonegawa is a prominent inventor known for his contributions to data distribution systems. He is based in Kodaira, Japan, and holds a total of 10 patents. His work primarily focuses on the encryption and distribution of digital content, particularly in the music industry.

Latest Patents

Among his latest patents is a data distributing system and recording medium used for encrypted music data. This system allows for the copying of encrypted music data and additional information necessary for accessing a server from a CD-ROM onto a memory card. The memory card receives a distribution of a contents decoding key necessary for decoding the encrypted music data via a digital portable phone network. Another significant patent involves a data distribution system and recording device that utilizes a memory card to store access restriction information. This information includes details such as the frequency of reproduction allowed and the number of licenses owned.

Career Highlights

Tadaaki Tonegawa has had a distinguished career, working with notable companies such as Sanyo Electric Co., Ltd. and Fujitsu Corporation. His innovative approaches have significantly impacted the way digital content is managed and distributed.

Collaborations

Throughout his career, Tonegawa has collaborated with talented individuals, including Toshiaki Hioki and Takayuki Hasebe. These collaborations have contributed to the advancement of technology in data distribution.

Conclusion

Tadaaki Tonegawa's work in data distribution systems showcases his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of the complexities involved in digital content management.