Company Filing History:
Years Active: 2011
Title: Hiroyuki Yusa: Innovator in Antenna Technology
Introduction
Hiroyuki Yusa is a prominent inventor based in Minato-ku, Japan. He has made significant contributions to the field of antenna technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of dual polarized antennas.
Latest Patents
Hiroyuki Yusa's latest patents include innovative designs for sector antennas and dual polarized antennas. The sector antenna features a first printed circuit board designed for vertical polarized waves, which includes multiple vertical polarized wave elements serving as antenna elements. This design is complemented by a second printed circuit board for horizontal polarized waves, which is equipped with a second feeder circuit connected to horizontal polarized wave elements. A unique cutout portion is strategically placed between adjacent vertical polarized wave elements, allowing for the parallel arrangement of both printed circuit boards. Additionally, a reflecting plate with a concave section enhances the arrangement of the antenna elements.
The dual polarized antenna aims to reduce correlation between antenna elements. It consists of both vertically and horizontally polarized antennas formed on a printed circuit board, capable of radiating two types of polarized waves. The design incorporates a first microstripline extending along the printed circuit board, with a series of conductive radiating elements and a phase delay circuit, optimizing the antenna's performance.
Career Highlights
Hiroyuki Yusa is currently employed at NEC Corporation, where he continues to innovate in the field of antenna technology. His work has garnered attention for its practical applications in telecommunications and broadcasting.
Collaborations
Throughout his career, Hiroyuki has collaborated with notable colleagues, including Kosuke Tanabe and Akio Kuramoto. These partnerships have contributed to the advancement of antenna technology and the successful development of his patented inventions.
Conclusion
Hiroyuki Yusa's contributions to antenna technology through his innovative patents demonstrate his expertise and commitment to advancing the field. His work at NEC Corporation and collaborations with esteemed colleagues further highlight his impact on the industry.