Isao Imai

Title: Isao Imai: Innovator in Thermoelectric Semiconductor Technology

Introduction

Isao Imai is a prominent inventor based in Yokohama, Japan, known for his significant contributions to thermoelectric semiconductor technology. With a total of 12 patents to his name, Imai has made remarkable advancements in the field, particularly in the development of materials and methods that enhance thermoelectric performance.

Latest Patents

Imai's latest patents include innovations such as thermoelectric semiconductor material, thermoelectric semiconductor elements utilizing this material, and thermoelectric modules that incorporate these elements. His patented manufacturing method involves preparing a metal mixture with an excess amount of tellurium (Te) added to a bismuth-antimony (Bi-Sb) based composition. After melting this mixture, the molten metal is solidified on a cooling roll, ensuring a thickness of no less than 30 micrometers. This process results in plate-shaped raw thermoelectric semiconductor materials, where tellurium-rich phases are microscopically dispersed within complex compound semiconductor phases. The crystalline orientation is improved, leading to an increased thermoelectric figure-of-merit.

Career Highlights

Throughout his career, Isao Imai has worked with notable companies, including Ishikawajima-Harima Heavy Industries Co., Ltd. and IHI Corporation. His work in these organizations has allowed him to refine his expertise in thermoelectric materials and their applications.

Collaborations

Imai has collaborated with esteemed colleagues such as Hiroyuki Shiozaki and Masao Nitanda, contributing to the advancement of thermoelectric technologies through shared knowledge and innovative ideas.

Conclusion

Isao Imai's contributions to thermoelectric semiconductor technology have positioned him as a key figure in the field. His innovative patents and collaborations continue to influence advancements in energy conversion and materials science.