Location History:
- Kodaira, JA (1978)
- Higashiyamoto, JP (1987)
- Higashiyamato, JP (1986 - 1988)
- Yokohama, JP (1991 - 1996)
- Fujisawa, JP (1998 - 1999)
Company Filing History:
12 out of 42,485 
1 out of 10 Years Active: 1978-1999
Title: Shigeo Tsujioka: A Pioneer in Computer System Innovation
Introduction
Shigeo Tsujioka, an accomplished inventor from Yokohama, Japan, has made significant contributions to the field of computer systems. With an impressive portfolio of 12 patents, Tsujioka's work has focused on enhancing the efficiency and functionality of computer networks and systems.
Latest Patents
Among his latest inventions are two notable patents. The first, titled "Computer System and Inter-Bus Control Circuit," describes a computer system featuring a double PCI bus configuration. This invention includes an inter-bus control circuit that relays between the first and second PCI buses, incorporating a memory control mechanism and an interrupt control mechanism for managing interrupts between local processors. This design, which can be implemented as a single-chip integrated circuit, reduces the number of identical decoder circuits and the overall component count, resulting in a compact and cost-effective computer system.
The second patent, "Client Server System Performing Automatic Reconnection and Control," addresses the challenge of maintaining connectivity in client-server architectures. In this system, the server machine communicates shutdown and restoration information to client machines, enabling them to automatically attempt reconnection at specified intervals. This innovation ensures a seamless logical line connection upon server restoration, minimizing user intervention and enhancing system reliability.
Career Highlights
Throughout his career, Tsujioka has worked with reputable organizations, including Hitachi, Ltd. and Hitachi Microsoftware Systems, Inc. His work in these companies has allowed him to develop and refine his inventions, contributing to advancements in computer technology.
Collaborations
Tsujioka has collaborated with esteemed colleagues such as Toshihisa Aoshima and Seiichi Kanema. These partnerships have helped foster an environment of innovation and have amplified the impact of his work in the technology sector.
Conclusion
Shigeo Tsujioka's innovative spirit and dedication to enhancing computer systems have solidified his place as a noteworthy inventor in the field. With a robust collection of patents under his name, Tsujioka continues to inspire future generations of inventors and innovators, driving forward the evolution of technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.