Yasuo Shima

Title: Yasuo Shima: Innovator in RF Technology

Introduction

Yasuo Shima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of radio frequency (RF) technology, particularly in the development of RF transmitters. With a total of 2 patents, his work has had a notable impact on the industry.

Latest Patents

Yasuo Shima's latest patents include a transmitter and an RF transmitter signal processor, along with a method for the operation of transmitters. His innovative approach involves adjusting the internal operation of RF integrated circuits (IC) to control the level of RF transmitter signals. This adjustment is achieved through ramp-up adjustment data contained in the preamble data preceding real transmission data. The RF transmitter signal incorporates phase and amplitude modulation components in accordance with the EDGE system. By controlling the gain of the first variable amplifier during the ramp-up of RF power amplifiers, unwanted radiation levels are significantly reduced.

Career Highlights

Throughout his career, Yasuo Shima has worked with notable companies such as Renesas Electronics Corporation and Toshiba Lifestyle Products & Services Corporation. His experience in these organizations has allowed him to refine his expertise in RF technology and contribute to various innovative projects.

Collaborations

Yasuo Shima has collaborated with esteemed colleagues, including Hiroaki Matsui and Yasuyuki Kimura. These partnerships have fostered a creative environment that has led to advancements in RF technology.

Conclusion

Yasuo Shima's contributions to RF technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative solutions continue to shape the future of communication technology.