Company Filing History:
7 out of 42,485 
1 out of 1 
1 out of 4 Years Active: 1982-1994
Title: Ichiya Sato: Innovator in Piezoelectric Technology
Introduction
Ichiya Sato is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 7 patents. His work focuses on enhancing the reliability and functionality of piezoelectric devices.
Latest Patents
One of his latest patents is for a bonded type piezoelectric apparatus and the method for manufacturing it. This invention features several innovative aspects, including the application of metallization on the bonding surface of piezoelectric ceramics with metals that react favorably with the ceramic material. Additionally, it involves soldering the piezoelectric ceramic material on the bonding surface while ensuring that the metallization layers prevent unwanted reactions and diffusion. This results in a bonded type piezoelectric apparatus that boasts high reliability and a broad application temperature range, from near absolute zero to the Curie point of the piezoelectric element.
Another significant patent by Sato is a method and apparatus for monitoring cracks in a rotatable body. This invention utilizes acoustic emission signals to detect cracks and evaluates their depth by comparing the assumed vibrations of the rotatable body with its measured vibrations. This method allows for the online detection and monitoring of both the initiation and progression of cracks in the rotatable body.
Career Highlights
Ichiya Sato has worked with prominent companies such as Hitachi, Ltd. and Hitachi Material Engineering, Ltd. His experience in these organizations has contributed to his expertise in the field of piezoelectric technology.
Collaborations
Throughout his career, Sato has collaborated with notable coworkers, including Takao Yoneyama and Soji Sasaki. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Ichiya Sato's contributions to piezoelectric technology through his innovative patents demonstrate his commitment to advancing this field. His work not only enhances the reliability of piezoelectric devices but also provides methods for monitoring structural integrity in various applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.