Location History:
- Kanagawa, JP (1986 - 1993)
- Nakagun, JP (1988 - 2005)
Company Filing History:
8 out of 42,508 
2 out of 67 Years Active: 1986-2005
Title: Tokuhiro Tsukiyama: Innovator in Computer Systems and Data Security
Introduction
Tokuhiro Tsukiyama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the fields of computer systems and data security, holding a total of 8 patents. His innovative work has paved the way for advancements in storage area networks and file encryption methods.
Latest Patents
One of Tsukiyama's latest patents is a computer system that incorporates a storage area network (SAN) and a method for handling data within that system. This invention aims to create an integrated storage system by enhancing the collaboration of various components, including multiple client computers, servers, and storage devices. The SAN serves as a switched circuit network, allowing any server to connect with any storage through fiber channel switches. Additionally, the system includes a terminal equipped with operation and management software for effective storage management, including logical volume management, data arrangement, error monitoring, and backup processes.
Another notable patent is a file encryption method and cryptographic system designed for information processing systems. This system allows for encryption and decryption of data using a desired data key, performed in an external storage device. The generation and management of the data key occur on the upper rank apparatus side, significantly reducing the burden on the upper rank apparatus while ensuring data secrecy without compromising system throughput.
Career Highlights
Throughout his career, Tokuhiro Tsukiyama has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Computer Peripherals Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies in the computing sector.
Collaborations
Tsukiyama has collaborated with notable coworkers, including Katsuharu Kakuse and Masafumi Nozawa. Their joint efforts have further advanced the projects they have worked on together.
Conclusion
Tokuhiro Tsukiyama's contributions to computer systems and data security are noteworthy. His patents reflect a deep understanding of technology and innovation, making him a significant figure in his field. His work continues to influence advancements in data management and security systems.