Fumihiko Shirotori

Title: Fumihiko Shirotori: Innovator in Semiconductor Technology

Introduction

Fumihiko Shirotori is a notable inventor based in Fussa, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of integrated circuit devices. His innovative work has led to advancements that enhance the functionality and efficiency of logic LSI (Large Scale Integration) systems.

Latest Patents

Shirotori holds a patent for a "Semiconductor integrated circuit device with diagnosis function." This invention involves dividing a logic LSI into multiple functional blocks. Each functional block is equipped with a buffer circuit that features a scan function, allowing for the modification of data latching and the seamless passage of input signals. The buffer circuit connects to a test exclusive bus, enabling direct entry and retrieval of test data. This design facilitates the generation of test patterns within each functional block, allowing for effective diagnosis. Notably, when functional blocks are utilized in other LSI systems, previously generated test patterns can be reused, significantly reducing the time required for both test pattern generation and testing.

Career Highlights

Fumihiko Shirotori is associated with Hitachi, Ltd., a leading company in technology and electronics. His work at Hitachi has allowed him to contribute to various projects that push the boundaries of semiconductor technology. His innovative approach has garnered recognition within the industry.

Collaborations

Shirotori has collaborated with esteemed colleagues such as Masahiko Nagai and Toshiro Takahashi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Fumihiko Shirotori's contributions to semiconductor technology exemplify the impact of innovation in the field. His patent for a semiconductor integrated circuit device with a diagnosis function showcases his ability to enhance the efficiency of electronic systems. Through his work at Hitachi and collaborations with fellow inventors, Shirotori continues to influence the future of technology.