Toshiyasu Muta

Title: Innovations by Toshiyasu Muta

Introduction

Toshiyasu Muta is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of technology, particularly in the area of IC card systems. With a total of 3 patents to his name, Muta's work has had a considerable impact on modern payment systems.

Latest Patents

One of Muta's latest patents is a method and apparatus for the settlement of accounts by IC cards. This innovation involves an IC card that contains a card information memory area, which includes a master public key, card secret keys, a card public key, a card identification number, and a master digital signature. The IC card terminal also has a memory area with similar information. When the IC card is inserted into the terminal, it sends data to verify its identity. The terminal checks the digital signature and, if valid, exchanges information with the IC card to confirm the current remainder value. This process ensures secure transactions and enables the terminal to provide services based on the card's balance.

Career Highlights

Toshiyasu Muta is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of IC card systems, making transactions more secure and efficient.

Collaborations

Muta has collaborated with several talented individuals in his field, including Ginya Ishiguro and Kazutaka Sakita. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Toshiyasu Muta's contributions to the field of IC card technology exemplify the importance of innovation in enhancing payment systems. His patents reflect a commitment to improving security and efficiency in financial transactions.