Hiroyuki Demura

Title: Innovations by Hiroyuki Demura: Pioneering Frequency Synthesis Technologies

Introduction

Hiroyuki Demura, an innovative inventor based in Saitama, Japan, has made significant contributions to the field of frequency synthesis. With a total of four patents to his name, Demura's work focuses on enhancing the functionality and performance of frequency synthesizers, crucial devices in various electronic applications.

Latest Patents

Demura's recent innovations include a notable frequency synthesizer designed to operate with high-speed switchability while minimizing unnecessary frequency components within the output frequency signal. The invention employs a Direct Digital Synthesizer (DDS) that relies on a clock signal to generate a reference frequency. By utilizing clock signal supply units that can switch among different clock frequencies, this synthesizer ensures that spurious frequencies are absent from a predetermined frequency range, further optimizing performance.

Another significant patent involves a signal level adjusting device and high-frequency apparatus that integrates a variable attenuator and digital/analog converter. This design aims to suppress spurious signals resulting from variations in the digital/analog converter's output. A low-pass filter is employed to eliminate frequency components associated with overshoot effects, thus enhancing the stability and reliability of the signal level control mechanism.

Career Highlights

Hiroyuki Demura currently works at Nihon Dempa Kogyo Co., Ltd., a reputable organization recognized for its advancements in electronic components and communication technology. His role as an inventor contributes to the continuous innovation and development in the company's offerings.

Collaborations

Throughout his career, Demura has collaborated with esteemed colleagues, including Yasuo Kitayama and Naoki Onishi, fostering teamwork and synergy in developing pioneering technologies. These partnerships have played a vital role in advancing the company's research and innovation capabilities, significantly impacting the field of frequency synthesis.

Conclusion

Hiroyuki Demura stands out as a key figure in the realm of frequency synthesizers, with his inventive work reflecting a commitment to pushing technological boundaries. His patents not only highlight his expertise but also contribute to the broader landscape of innovations in electronic devices, making a lasting impact on the industry.