Shoji Nagumo

Title: **The Innovative Contributions of Shoji Nagumo**

Introduction

Shoji Nagumo is a prominent inventor based in Kawasaki, Japan. With an impressive portfolio comprising 27 patents, Nagumo has made significant strides in the field of electronic components and communication devices. His inventive spirit is reflected in his latest innovations, which showcase his expertise and forward-thinking approach.

Latest Patents

Among his notable recent inventions is a **Front-end module and communication device**. This device features a first front-end circuit designed to transmit signals in a first band utilizing a Carrier Aggregation (CA) mode, along with a second front-end circuit that performs similarly for a second band. This innovation includes a second quadplexer for both bands, and an impedance variable circuit that dynamically adjusts based on the operational mode. In CA mode, this circuit acts as a reflection mechanism for transmission waves in the second band, while in non-CA mode, it functions as a matching circuit to efficiently manage signal transmission and absorption.

Another significant patent from Nagumo is an **Electronic component** that incorporates a multilayer body comprising dielectric layers and circuit patterns. This design features a conductor pattern that defines an inductor, along with band-shaped conductor patterns that are grounded and strategically cover parts of a shield surface. This configuration includes an internal surface that facilitates magnetic flux from the inductor to pass through a specifically designated non-shielded area.

Career Highlights

Nagumo's contributions to Murata Manufacturing Co., Ltd. have positioned him as a key figure in innovation within the company. His work has not only advanced technology in communication devices but has also enhanced the efficiency of electronic components through his patented designs and concepts.

Collaborations

Throughout his career, Nagumo has collaborated with esteemed colleagues such as Kazunari Kawahata and Takashi Ishihara. These partnerships have facilitated the exchange of ideas and have led to the development of cutting-edge technology within the industry.

Conclusion

Shoji Nagumo continues to be a driving force in the field of electronics and communications, with his 27 patents underscoring his dedication to innovation. As his work influences future advancements, his contributions will undoubtedly remain pivotal to the evolution of technology.