Keizo Sugiyama

Title: Keizo Sugiyama: Innovator in Wireless Communications

Introduction

Keizo Sugiyama is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of wireless communications, holding a total of 4 patents. His work focuses on enhancing communication systems, particularly in mobile and relay station interactions.

Latest Patents

Sugiyama's latest patents include innovative methods and apparatus for wireless communications. One of his notable inventions provides a system for wireless data communications that ensures equal communication opportunities for mobile stations, whether they connect directly to a wireless base station or indirectly via a relay station. This invention improves upon the OFDM frame configuration outlined in IEEE802.16 by introducing dedicated periods for ranging and bandwidth requests for relay stations. Additionally, he has developed a packet control apparatus that connects an interconnected network to a wireless apparatus, featuring a quality detection unit that monitors transmission quality and a packet filtering unit that manages link state watching packets.

Career Highlights

Throughout his career, Sugiyama has worked with notable companies such as KDDI Corporation and KDDI R&D Laboratories, Inc. His experience in these organizations has allowed him to refine his expertise in wireless communication technologies.

Collaborations

Sugiyama has collaborated with esteemed colleagues, including Naoki Fuke and Hideyuki Shinonaga. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Keizo Sugiyama's contributions to wireless communications demonstrate his commitment to innovation and technology. His patents reflect a deep understanding of the complexities of mobile communication systems, making him a significant figure in the field.