Keiji Fukuda

Title: Keiji Fukuda: Innovator in Digital Switching Networks

Introduction

Keiji Fukuda is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of digital switching networks, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of communication systems.

Latest Patents

Fukuda's latest patents include an innovative control channel junction line system designed for digital switching networks. This system allows for the efficient use of talking channels within control channels. Each exchange in the system is equipped with a digital junction line trunk, a low-rate information multiplexing trunk, and a multiplexing/demultiplexing section. The design enables the multiplexing of control channel information with low-rate information, optimizing the transmission process.

Another significant patent is the subrate control channel exchange system. This system utilizes a portion of bits in a control channel time slot to transmit communications control data while using the remaining bits for other data types, such as voice. This innovation aims to improve line utilization, particularly in ISDN networks, where it multiplexes significant bits from low-speed terminals with control data.

Career Highlights

Throughout his career, Keiji Fukuda has worked with prominent companies, including Fujitsu Corporation and Fujitsu Limited. His experience in these organizations has contributed to his expertise in digital communication technologies.

Collaborations

Fukuda has collaborated with notable colleagues, including Kazuhiko Ito and Shigehiko Yazawa. Their combined efforts have further advanced the field of digital switching networks.

Conclusion

Keiji Fukuda's contributions to digital switching networks through his innovative patents demonstrate his commitment to enhancing communication technologies. His work continues to influence the industry and pave the way for future advancements.