Location History:
- Ube, JP (1980 - 1986)
- Yamaguchi, JP (1988 - 1996)
Company Filing History:
Years Active: 1980-1996
Title: Ryozo Kitoh: Innovator in Dielectric Filter Technology
Introduction
Ryozo Kitoh is a prominent inventor based in Yamaguchi, Japan. He has made significant contributions to the field of dielectric filter technology, holding a total of 6 patents. His work has been instrumental in advancing the capabilities of dielectric filters used in various applications.
Latest Patents
One of his latest patents is a dielectric filter using quarter wavelength coaxial dielectric resonators. This innovative filter design incorporates multiple .lambda./4 coaxial dielectric resonators arranged in stages. The resonators are filled with a dielectric material between their inner and outer conductors. The design includes at least one stage where the outer conductor of the .lambda./4 coaxial dielectric resonator is grounded via a capacitance or inductance. This dielectric filter can be configured as a low-pass filter, high-pass filter, or band-pass filter. By utilizing dielectric resonators with a desired resonant frequency, this invention achieves a dielectric filter with an attenuating pole near the frequency passband and minimal insertion loss.
Another notable patent is a method for preparing PLZT transparent ceramic. This method focuses on creating a PLZT ceramic with a specific composition, enhancing the material's properties for various applications.
Career Highlights
Ryozo Kitoh is currently associated with Ube Industries, Inc., where he continues to innovate and develop new technologies. His expertise in dielectric materials and filters has positioned him as a key figure in his field.
Collaborations
Throughout his career, Ryozo has collaborated with notable colleagues, including Sumio Umemura and Yoshiaki Fujiyama. These collaborations have further enriched his research and development efforts.
Conclusion
Ryozo Kitoh's contributions to dielectric filter technology and his innovative patents reflect his dedication to advancing the field. His work continues to influence the development of efficient and effective dielectric filters in various applications.