Location History:
- Fukiage, JP (1980)
- Saitama, JP (1986)
Company Filing History:
1 out of 22 
1 out of 522 
1 out of 45 Years Active: 1980-1986
Introduction
Katsumi Shimada is a distinguished inventor hailing from Fukiage, Japan. With a commendable portfolio featuring two patents, Shimada has made significant contributions to the field of data transmission and pattern generation. His innovative designs are poised to enhance the capabilities of central processing units and memory systems.
Latest Patents
Shimada's latest patents include an I/O Control System and a Pattern Generator. The I/O Control System is designed for efficient data transmission and reception between a central processing unit (CPU) and multiple I/O units. This system employs a bus connecting various components that utilize multiple data lines to transmit control command signals, address signals, and data signals on a time-shared basis. The incorporation of tag lines indicates the type of signals conveyed, while a clock line synchronizes these operations.
The Pattern Generator patent describes a unique architecture comprising a plurality of low-speed memories and high-speed memories. This design allows for the simultaneous reading of low-speed memories while retrieving output patterns from one of the high-speed memories. This alternating method ensures efficient data writing and generation of patterns, pushing the boundaries of memory usage.
Career Highlights
Katsumi Shimada has worked in reputable companies such as Takeda Riken Co., Ltd. and Nippon Telegraph and Telephone Public Corporation, where he focused on advancing technology related to computational systems. His work has been pivotal in enhancing the overall functionality of systems that rely on robust data management and signal processing.
Collaborations
Throughout his career, Shimada has collaborated with notable professionals like Yoshichika Ichimiya and Tsuneta Sudo. This teamwork has fostered an environment of innovation, allowing for the sharing of ideas and the development of cutting-edge technologies in their respective fields.
Conclusion
Katsumi Shimada's contributions to the realms of I/O control systems and pattern generation underscore his ingenuity as an inventor. His patents not only showcase his technical expertise but also reflect the potential to revolutionize data processing systems. As technology continues to evolve, innovators like Shimada play a crucial role in shaping the future of computational technologies.