Company Filing History:
Years Active: 2014
Title: Atsuo Mizuma: Innovator in Doherty Amplifier Technology
Introduction
Atsuo Mizuma is a notable inventor based in Saku, Japan. He has made significant contributions to the field of amplifier technology, particularly with his innovative designs that enhance performance and efficiency.
Latest Patents
Mizuma holds a patent for a "Combiner for Doherty Amplifier." This invention includes a dielectric substrate that houses a carrier input terminal, a peak input terminal, an output terminal, and a combining point for merging output signals from both the carrier and peak amplifiers. The design features a first λ/4 line connecting the carrier input terminal to the combining point, a second λ/4 line linking the combining point to the output terminal, and a first directional coupler. The coupler is equipped with a third λ/4 line that is electromagnetically coupled to one of the first two λ/4 lines, allowing for effective monitoring.
Career Highlights
Mizuma is currently employed at NGK Insulators, Inc., where he continues to develop and refine his inventions. His work has been instrumental in advancing the capabilities of Doherty amplifiers, which are widely used in telecommunications.
Collaborations
Mizuma collaborates with talented colleagues, including Masahiko Namerikawa and Shinsuke Yano. Their combined expertise fosters an environment of innovation and creativity.
Conclusion
Atsuo Mizuma's contributions to amplifier technology, particularly through his patent for a combiner in Doherty amplifiers, highlight his role as a key innovator in the field. His work at NGK Insulators, Inc. and collaborations with fellow inventors further emphasize his commitment to advancing technology.