Location History:
- Odawara, JP (2008 - 2010)
- Kanagawa, JP (1994 - 2015)
- Minamiashigara, JP (2024)
Company Filing History:
24 out of 16,458 
14 out of 16,093 
Years Active: 1994-2025
Title: Teruo Ashikawa: Innovator in Piezoelectric Technology
Introduction
Teruo Ashikawa, based in Kanagawa, Japan, is an esteemed inventor with an impressive portfolio of 37 patents. His work primarily focuses on advancements in piezoelectric technology, significantly contributing to the fields of electroacoustic transducers and laminated piezoelectric elements.
Latest Patents
Among his latest innovations are two groundbreaking patents: a laminated piezoelectric element and an electroacoustic transducer. These inventions are designed to achieve high piezoelectric characteristics while ensuring reliable electrical contact to electrode layers. The laminated piezoelectric element comprises multiple layers of piezoelectric films, including protective layers and electrode layers. Each piezoelectric layer is polarized in the thickness direction, which enhances its performance. Additionally, the design incorporates a protruding section where contacts can be formed to facilitate electrical connections, significantly reducing the risk of poor connections.
Another key invention is a piezoelectric element aimed at preventing poor electrical connectivity. This element features a piezoelectric layer, electrode layers, and protective layers, integrated with conductive foils and filling members to ensure robust electrical connections. The innovative design not only promotes functionality but also enhances durability against potential electrical failures.
Career Highlights
Throughout his career, Teruo Ashikawa has worked with prominent companies, including Fuji Photo Film Company, Limited and Fujifilm Corporation. His experience at these organizations has enabled him to refine his expertise in piezoelectric materials and applications, subsequently leading to a series of innovative patents that have influenced various sectors.
Collaborations
Ashikawa has collaborated with esteemed colleagues in his field, including Shozo Onmori and Kazuo Hiraguchi. Their combined efforts have facilitated the development of cutting-edge technologies in piezoelectric applications and have strengthened research endeavors within the companies they have served.
Conclusion
Teruo Ashikawa stands out as a notable inventor in the realm of piezoelectric technology. Through his innovative patents and valuable collaborations, he continues to enhance the fields of electroacoustic transducers and laminated piezoelectric elements. His contributions exemplify the profound impact that dedicated inventors have on advancing technology for various applications.