Location History:
- Chiyoda-ku, JP (2023)
- Tokyo, JP (2018 - 2024)
Company Filing History:
Years Active: 2018-2025
Title: Yu Ushijima: Innovator in Waveguide Technology
Introduction
Yu Ushijima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electromagnetic wave technology, holding a total of 10 patents. His work primarily focuses on the development of advanced waveguide filters and antenna devices.
Latest Patents
Among his latest patents is a polarized waveguide filter and antenna feeding circuit. The polarized waveguide filter is designed with a first rectangular waveguide, a second rectangular waveguide, and a rectangular cavity resonator. This resonator connects to the electromagnetic wave exit and incident planes of the respective waveguides through coupling units. It excites both TE10 and TE20 modes of electromagnetic waves. Additionally, the design includes a protrusion on the wall surfaces of the resonator, which shifts the resonance frequencies of the TE10 and TE20 modes by different amounts. Another notable patent is the feeder line and antenna device, which features a plate-shaped dielectric substrate and multiple conductor patterns. This design optimizes signal propagation through the first conductor pattern.
Career Highlights
Yu Ushijima is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of electromagnetic technology. His work has been instrumental in advancing the capabilities of waveguide systems and antenna devices.
Collaborations
He has collaborated with notable coworkers, including Hidenori Yukawa and Motomi Watanabe, contributing to various projects that enhance the functionality of waveguide technology.
Conclusion
Yu Ushijima's contributions to the field of electromagnetic wave technology through his patents and collaborations highlight his role as a leading inventor. His innovative designs continue to influence advancements in waveguide and antenna systems.