Sigeru Fukasawa

Title: Sigeru Fukasawa: Innovator in Interrupt Control Systems

Introduction

Sigeru Fukasawa is a notable inventor based in Hachiouji, Japan. He has made significant contributions to the field of data processing, particularly in the area of interrupt control systems. His innovative work has led to the development of a unique patent that enhances the efficiency of microprogram control in data processing units.

Latest Patents

Fukasawa holds a patent for an interrupt control system designed for a data processing unit. This system includes a processor that is divided between an arithmetic unit and a control unit. The patent outlines a mechanism where a signal indicating the presence or absence of an interrupt request is applied to the control unit. In response to this signal, the control unit reads a microprogram for interrupt processing from memory. The arithmetic unit then judges the interrupt source based on the microprogram retrieved and performs the necessary processing accordingly.

Career Highlights

Sigeru Fukasawa has had a distinguished career at Hitachi, Ltd., where he has been instrumental in advancing technology in data processing. His work has not only contributed to the company's reputation as a leader in innovation but has also paved the way for future developments in the field.

Collaborations

Fukasawa has collaborated with Sadao Mizokawa, a fellow innovator, to further enhance the capabilities of their projects. Their teamwork exemplifies the spirit of collaboration that drives innovation in technology.

Conclusion

Sigeru Fukasawa's contributions to interrupt control systems highlight his role as a key inventor in the field of data processing. His patent reflects a significant advancement in technology, showcasing his expertise and dedication to innovation.