This inventor holds 5 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1993-2003.
Location History:
- Kamakura, JP (1993 - 1997)
- Kanagawa, JP (1998)
- Tokyo, JP (2003)
Company Filing History:
Years Active: 1993-2003
Title: Innovations of Yoshiyuki Chatani
Introduction
Yoshiyuki Chatani is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of radio communications, holding a total of 5 patents. His work focuses on enhancing communication systems through innovative antenna designs and configurations.
Latest Patents
One of his latest patents is a radio communications system that forms a cell group from three cells, each equipped with antennas that differ in horizontal orientation. This design allows for comprehensive coverage in all horizontal directions. The cell groups are arranged in a repeating pattern, ensuring that cells assigned different frequencies are interposed between those assigned the same frequency, thus constituting a minimum unit area for repetition. Another significant patent is for an antenna apparatus that features a helical design. This apparatus maintains a consistent beam radiation direction, even when the frequency in use changes. It consists of two helical antennas wound with conductive wires at equal intervals, allowing for the formation of a conical beam of signals radiated into space.
Career Highlights
Yoshiyuki Chatani is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of communications technology. His work has been instrumental in advancing the capabilities of radio communication systems.
Collaborations
He has collaborated with notable coworkers, including Makoto Matsunaga and Takashi Katagi, contributing to various projects that enhance communication technologies.
Conclusion
Yoshiyuki Chatani's contributions to the field of radio communications through his innovative patents and collaborative efforts highlight his importance as an inventor. His work continues to influence advancements in communication systems, showcasing the impact of his inventions on the industry.