Shigeharu Koyanagi

Title: Shigeharu Koyanagi: Innovator in Power-Saving Technology

Introduction

Shigeharu Koyanagi is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of information processing, particularly in developing technologies that enhance power efficiency in digital communication systems. With a total of 3 patents to his name, Koyanagi's work reflects a commitment to innovation and sustainability.

Latest Patents

Koyanagi's latest patents focus on computer interface architecture that incorporates power-saving functions. One of his inventions is an information processing apparatus capable of controlling the power consumption of a digital communication line interface circuit or modem based on the usage state of the communication line. This apparatus includes a link state detection circuit that ascertains the link state between the interface circuit and the communication line. Additionally, it features a consumption power mode change circuit that adjusts the power mode of the interface circuit according to the detected link state. Another patent describes a battery-driven hand-held information processing apparatus that minimizes power consumption. This device includes an access detection circuit, a timer circuit, and a power control circuit that manages the power of the modem circuit based on access activity.

Career Highlights

Shigeharu Koyanagi is currently employed at Hitachi, Ltd., where he continues to develop innovative technologies. His work at Hitachi has allowed him to collaborate with other talented engineers and contribute to advancements in the field of information technology.

Collaborations

Koyanagi has worked alongside notable colleagues such as Yosuke Konaka and Yoshiaki Nomura. Their collaborative efforts have furthered the development of efficient communication technologies.

Conclusion

Shigeharu Koyanagi's contributions to power-saving technology in information processing are commendable. His innovative patents demonstrate a forward-thinking approach to enhancing the efficiency of digital communication systems.