Riho Sasaki

Title: **Innovative Contributions of Riho Sasaki in High-Frequency Technology**

Introduction

Riho Sasaki is a renowned inventor based in Osaka, Japan, who has made significant contributions to the field of high-frequency technology. With a total of three patents to her name, Sasaki's innovations focus on enhancing communication systems, particularly in the area of circuit protection and signal processing.

Latest Patents

One of her notable patents is the **High-Frequency Composite Switch Module**, which is designed to be applied to at least two different communications systems. This sophisticated module incorporates two low-pass filters (LPFs), two phase shifters, and a field-effect transistor (FET) switch that includes several FETs and two SAW filters. The entire system is engineered to achieve a compact size, cost-effectiveness, and minimal signal loss, while ensuring protection from static electricity. Additionally, the module minimizes the requirement for low-noise amplifiers at the signal receiving end.

Another significant invention is her **High-Frequency Device**, which aims to safeguard circuits connected to an antenna terminal from potential hazards such as static electricity and high-voltage noise. This device includes a diplexer that effectively performs demultiplexing or multiplexing of frequencies for GSM and DCS bands. It features switches that facilitate the transition between transmission and reception modes, alongside low-pass filters to eliminate higher harmonics from the transmission signals. A crucial element of the design is a varistor that is connected between the antenna terminal and the diplexer, enhancing protection against electrical fluctuations.

Career Highlights

Sasaki is currently affiliated with Matsushita Electric Industrial Co., Ltd., where she has been instrumental in advancing the company’s technological capabilities in communication systems. Through her innovative designs, she has played a vital role in improving the efficiency and reliability of high-frequency devices.

Collaborations

Throughout her career, Riho has collaborated with talented coworkers such as Yuki Satoh and Hiroshi Kushitani. Together, they have worked on various projects that aim to push the boundaries of technological innovation in their industry.

Conclusion

Riho Sasaki's contributions to high-frequency technology have established her as an influential inventor in her field. With her recent patents reflecting her commitment to innovation and circuit protection, she continues to play a pivotal role in the evolution of communication systems. Her work not only showcases the potential of high-frequency devices but also emphasizes the importance of protecting critical circuits in a rapidly advancing technological landscape.