Location History:
- Matsugaoka, Taihaku-ku, Sendai-shi, Miyagi-ken, JP (1993)
- Sendai-shi, Miyagi JP (1994)
- Taihaku-ku, Sendai-shi, Miyagi-ken, JP (1994)
- Sendai City, Miyagi Pref., JP (1994)
- Sendai, City, Miyagi Pref., JP (1994)
- Miyagi JP (2001)
- Sendai-shi, Miyagi, JP (2004 - 2006)
- Sendai-shi, JP (2006)
- Sendai, JP (1992 - 2022)
Company Filing History:
6 out of 4,920 
2 out of 817 
1 out of 631 
Years Active: 1992-2022
Title: The Innovations of Kazuhiko Yamanouchi
Introduction
Kazuhiko Yamanouchi is a notable inventor based in Sendai, Japan. With a total of 17 patents to his name, he has made significant contributions to the field of acoustic wave technology. His innovative solutions address various challenges, showcasing his expertise and commitment to advancing technology.
Latest Patents
Yamanouchi's latest patents focus on an acoustic wave element and a method for manufacturing it. This acoustic wave element is designed to be smaller, produced easily, and utilized without harmful substances. It aims to suppress surface acoustic wave propagation loss, improve the temperature coefficient of frequency, and enhance velocity dispersion characteristics. Moreover, it helps prevent an increase in the reflection coefficient of interdigital transducers. The inventive element features a pair of electrodes on both surfaces of a piezoelectric substrate, along with a dielectric film on one surface that covers the electrode. Additionally, it includes interdigital transducers on the substrate's surface, along with dielectric films positioned strategically on the interdigital transducers and substrate surfaces.
Another significant patent is the unidirectional surface acoustic wave (SAW) transducer. This transducer comprises a piezoelectric or electrostrictive substrate featuring a first and a second interdigital transducer electrode, with structural elements periodically arranged on the substrate's surface. These structural elements include grooves or dielectric films, each corresponding to a specific width, which allows efficient propagation of surface acoustic waves essential for various applications.
Career Highlights
Throughout his career, Kazuhiko Yamanouchi has worked at Ngk Insulators, Inc., where he further honed his skills in acoustic technologies. His extensive experience has enabled him to develop various innovative inventions that have had a significant impact on the industry.
Collaborations
Yamanouchi has collaborated with notable individuals, including Mitsuhiro Tanaka and Hiroyuki Odagawa. These collaborations have fostered an environment of shared knowledge and creative solutions in addressing technical challenges within their field.
Conclusion
Kazuhiko Yamanouchi's contributions to the field of acoustic wave technology are substantial, with 17 patents reflecting his innovative spirit and expertise. His latest patents demonstrate a commitment to producing environmentally friendly and efficient technologies. Collaborating with esteemed colleagues has further enhanced the impact of his work, making him a notable figure in the realm of inventions and innovations.