Company Filing History:
Years Active: 1996-2000
Title: Innovations of Koichi Zama: Pioneering Piezoelectric Transformers
Introduction
Koichi Zama, a notable inventor based in Tokyo, Japan, has made significant contributions to the field of electrical engineering through his innovative designs of piezoelectric transformers. With three patents to his name, Zama's work showcases the importance of enhancing efficiency and reliability in electrical devices.
Latest Patents
Zama's latest inventions include two groundbreaking patents in the domain of piezoelectric transformers. The first patent involves a **piezoelectric transformer** that features strip form electrodes on opposing upper and lower surfaces of a piezoelectric ceramic plate. This design, which utilizes screen printing with a conductive paste, effectively prevents discharge during polarization, reduces mechanical stress, and stabilizes transformer output.
The second patent is for a **packaged piezoelectric transformer unit**, designed to convert input voltage into output voltage. This unit accommodates the piezoelectric transformer element and includes electrodes supported by pairs of input and output conductive leads. These leads operate as leaf springs, offering versatility in contact with potential point, area, and line contacts.
Career Highlights
Koichi Zama works for NEC Corporation, a leader in information technology and electronics. His role in the development of piezoelectric transformers has established him as a key figure in advancing technology that enhances performance and reliability in various applications.
Collaborations
During his career, Zama has collaborated with fellow engineers and inventors like Mitsuhiro Sugimoto and Yuji Kondo. Together, they have cultivated a creative environment that fosters innovation and leads to the development of advanced technologies.
Conclusion
Koichi Zama's contributions to the field of piezoelectric transformers not only reflect his inventive spirit but also highlight the transformative impact of his work in the electrical engineering sector. His ongoing innovations continue to pave the way for improvements in power efficiency and device durability, marking him as a significant figure in modern invention.