Company Filing History:
Years Active: 2004-2007
Title: Kiyotaka Tatekawa: Innovator in Antenna Technology
Introduction
Kiyotaka Tatekawa is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of antenna technology, holding a total of 6 patents. His innovative designs have advanced the capabilities of variable directivity antennas, which are crucial for modern communication systems.
Latest Patents
Tatekawa's latest patents include a variable directivity antenna and a variable directivity antenna system utilizing folded dipole antenna elements. These elements are arranged in parallel and spaced closer than half the wavelength used. The unique configuration allows for signals received from the front to be in phase at the combiner inputs, while signals from the back are 180° out of phase. Another notable patent is a signal receiving system that incorporates a variable directivity antenna, which adjusts its directivity based on a control signal. This system includes a control signal generator and a modulator that applies amplitude-shift-keying (ASK) modulation to the carrier signal.
Career Highlights
Kiyotaka Tatekawa is currently employed at Dx Antenna Company, Limited, where he continues to develop innovative antenna solutions. His work has been instrumental in enhancing the performance and efficiency of communication systems.
Collaborations
Throughout his career, Tatekawa has collaborated with notable colleagues, including Toshiaki Shirosaka and Toshio Fujita. These partnerships have fostered a creative environment that has led to groundbreaking advancements in antenna technology.
Conclusion
Kiyotaka Tatekawa's contributions to antenna technology exemplify the spirit of innovation. His patents and ongoing work at Dx Antenna Company, Limited, continue to shape the future of communication systems.