Location History:
- Nagano, JP (1990 - 1992)
- Suwa, JP (1993 - 1994)
- all Nagano, JP (1994)
- Nagano-ken, JP (1997)
- Shimosuwa-machi, JP (2015)
- Shimosuwa, JP (2015 - 2019)
Company Filing History:
Years Active: 1990-2019
Title: Tsuneo Handa: Innovator in Piezoelectric Materials
Introduction
Tsuneo Handa is a prominent inventor based in Shimosuwa, Japan. He has made significant contributions to the field of piezoelectric materials, holding a total of 12 patents. His work focuses on developing advanced materials and devices that utilize piezoelectric properties for various applications.
Latest Patents
Among his latest patents, Handa has developed innovative piezoelectric materials and methods for manufacturing them. One notable patent describes a piezoelectric material that includes a first component, which is a rhombohedral crystal with a Curie temperature Tc1, and is a lead-free composite oxide with a perovskite-type structure. The second component is a crystal other than the rhombohedral type, with a Curie temperature Tc2 less than Tc1, also a lead-free composite oxide. Additionally, a third component is included, which is similar to the second but has a Curie temperature Tc3 greater than or equal to Tc1. This innovative composition allows for precise control over the material's properties, making it suitable for various applications.
Another patent focuses on a piezoelectric element and its applications, including liquid ejecting heads, ultrasonic sensors, piezoelectric motors, and power generators. This invention emphasizes the importance of the Curie temperatures of the components and their relationships, ensuring optimal performance in practical applications.
Career Highlights
Tsuneo Handa is currently associated with Seiko Epson Corporation, where he continues to push the boundaries of piezoelectric technology. His work has not only advanced the understanding of piezoelectric materials but has also led to practical applications that benefit various industries.
Collaborations
Throughout his career, Handa has collaborated with notable colleagues, including Nobumasa Abe and Kiyoharu Momose. These collaborations have fostered an environment of innovation and have contributed to the success of their projects.
Conclusion
Tsuneo Handa's contributions to the field of piezoelectric materials are significant and impactful. His innovative patents and ongoing work at Seiko Epson Corporation highlight his dedication to advancing technology in this area. Handa's achievements serve as an inspiration for future inventors and researchers in the field.