Kouichi Kugimiya

Title: Kouichi Kugimiya: Innovator in Thermoelectric and Piezoelectric Technologies

Introduction

Kouichi Kugimiya is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the fields of thermoelectric and piezoelectric technologies. With a total of five patents to his name, Kugimiya's work focuses on creating innovative solutions that enhance performance while reducing toxicity.

Latest Patents

One of Kugimiya's latest patents is a thermoelectric cooling device. This invention features a thermoelectric semiconductor element that is particularly low in toxicity and cost-effective. The element is primarily composed of a complex oxide that includes strontium and titanium. An oxide semiconductor with oxygen deficiency is utilized as the n-type element. This invention offers a significant advantage over conventional Bi-Te thermoelectric semiconductors, which are known for their toxicity due to the addition of selenium. Kugimiya's design results in a thermoelectric semiconductor element that excels in performance while minimizing environmental impact.

Another notable patent is related to piezoelectric ceramics and their production methods. This invention involves a piezoelectric ceramic that comprises at least two different ceramic domains, either in composition or piezoelectric characteristics. By carefully selecting the compositions or characteristics of each ceramic domain, Kugimiya has enabled the production of piezoelectric ceramics with superior performance compared to those made from a single ceramic domain. For instance, it is possible to create a piezoelectric ceramic with minimal changes in resonance frequency in response to temperature variations by combining domains with differing rates of change.

Career Highlights

Kugimiya has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Matsushita Electrical Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Kugimiya has collaborated with notable colleagues, including Hamae Ando and Youichirou Yokotani. These partnerships have likely played a role in enhancing his research and development efforts.

Conclusion

Kouichi Kugimiya is a distinguished inventor whose work in thermoelectric and piezoelectric technologies has made a significant impact. His innovative patents reflect a commitment to improving performance while addressing environmental concerns. Kugimiya's contributions continue to influence the field of materials science and engineering.