Irei Kyu

Title: Irei Kyu: Innovator in Wireless Technology

Introduction

Irei Kyu is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of wireless technology, holding a total of 3 patents. His work focuses on improving the efficiency and functionality of receivers and transmitters.

Latest Patents

Irei Kyu's latest patents include a receiver, receiving method, and portable wireless apparatus. This invention provides a receiver that reduces calibration time by correcting phase and amplitude mismatches between I and Q signals. The receiver consists of mixers that convert received RF signals into quadrature modulated IF signals, along with signal paths that filter, amplify, and output these signals. A calibration circuit is included to address phase and amplitude mismatches, while a frequency converter enhances the calibration signals. Additionally, he has developed a power amplifier and transmitter that utilizes a 90-degree phase delay power divider and a variable electric length power combiner to improve power-added efficiency for multi-band or broadband applications.

Career Highlights

Throughout his career, Irei Kyu has worked with prominent companies such as Hitachi, Ltd. and Renesas Technology Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in wireless technology.

Collaborations

Irei Kyu has collaborated with notable individuals in the industry, including Satoshi Tanaka and Takashi Oshima. These partnerships have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Irei Kyu's contributions to wireless technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future innovations.