Location History:
- Tokorozawa, JA (1977)
- Tokorozawa, JP (1979)
Company Filing History:
3 out of 2,861 
3 out of 3 Years Active: 1977-1979
Title: The Innovations of Tadasi Itagaki: A Pioneering Inventor in Acoustic Technology
Introduction: Tadasi Itagaki, an accomplished inventor based in Tokorozawa, Japan, has made significant contributions to the field of electro-acoustic transducers. With a total of three patents to his name, Itagaki's work focuses on enhancing acoustic performance, particularly in loudspeaker design. His innovations reflect a deep understanding of piezoelectric materials and their applications.
Latest Patents: Among his latest patents is a remarkable invention, the "Piezoelectric Transducer with Multiple Electrode Areas." This electro-acoustic transducer features a flexible film of piezoelectric material, with one electrode placed on one side of the film and multiple electrodes on the opposite side to form a piezoelectric diaphragm. This unique structure allows for locally differing resiliency and tension, resulting in improved acoustic characteristics, especially in high-frequency ranges. By incorporating this transducer in loudspeakers, Itagaki enhances sound quality, minimizes distortion, and maintains ease of manufacturing. His invention stands out for its potential to create a variety of acoustic characteristics without compromising performance.
Another notable patent is the "Piezoelectric Electro-Acoustic Transducer," which shares similar principles. This design also utilizes a flexible film of piezoelectric material combined with strategically placed electrodes, promoting enhanced sound reproduction capabilities. Again, the focus remains on facilitating better acoustic performance without complicating the manufacturing process.
Career Highlights: Tadasi Itagaki has spent a significant portion of his career at leading companies in the electronics sector. He has worked for Pioneer Electronic Corporation and Tokorozawa Electronic Corporation, where he honed his expertise in electronic innovations. His contributions to these firms have played a crucial role in advancing their product lines, particularly in acoustic technologies.
Collaborations: Throughout his career, Itagaki has collaborated with esteemed professionals, including Kiyonori Iwama and Toshikazu Yoshimi. These partnerships have undoubtedly fostered a creative environment that encourages innovation and the development of groundbreaking technologies in the field of electro-acoustic devices.
Conclusion: Tadasi Itagaki exemplifies the spirit of innovation as a forward-thinking inventor whose work significantly impacts acoustic technology. His patents reflect a commitment to enhancing sound quality through advanced piezoelectric transducer designs. Itagaki's collaborations and career achievements continue to inspire future generations of inventors, ensuring that the field of electro-acoustic engineering remains vibrant and progressive.