Hidefumi Maruyama

Title: Innovations of Hidefumi Maruyama

Introduction

Hidefumi Maruyama is a notable inventor based in Mishima, Japan. He has made significant contributions to the field of technology, particularly in the area of computer-readable recording mediums. With a total of nine patents to his name, Maruyama's work has had a considerable impact on digital content management and distribution.

Latest Patents

Maruyama's latest patents include a computer-readable recording medium that stores an update program and an update method. This invention involves sending an issuing request for a second public key certificate to a server under a secure connection using a first public key certificate. Upon receiving the second public key certificate, a connection confirmation is conducted when the validity date of the first public key certificate lapses. Another significant patent involves a computer-readable, non-transitory medium that stores a digital content distributing program and a digital content playback program. This invention details how digital copyrighted work is stored and how separation data is managed and encrypted, ensuring secure distribution of digital content.

Career Highlights

Maruyama is currently employed at Fujitsu Corporation, where he continues to innovate and develop new technologies. His work at Fujitsu has allowed him to explore various aspects of digital content management and security, contributing to the company's reputation as a leader in technology solutions.

Collaborations

Some of Maruyama's notable coworkers include Tetsuhiro Chiba and Syuji Hamada. Their collaborative efforts have likely enhanced the innovative environment at Fujitsu Corporation, leading to the development of cutting-edge technologies.

Conclusion

Hidefumi Maruyama's contributions to technology through his patents and work at Fujitsu Corporation highlight his role as a significant inventor in the field. His innovations in digital content management and security continue to shape the industry.