Kazuyoshi Shimakage

Title: Kazuyoshi Shimakage: Innovator in Thermoelectric Materials

Introduction

Kazuyoshi Shimakage is a notable inventor based in Muroran, Japan. He has made significant contributions to the field of thermoelectric materials, particularly through his innovative patent related to lanthanum sulfide and cerium sulfide.

Latest Patents

Kazuyoshi Shimakage holds a patent for a "Sintered compact of lanthanum sulfide or cerium sulfide and method for preparing the same." This invention provides a sintered compact that is usable as a thermoelectric conversion material with a high Seebeck coefficient. The compact has a chemical composition of LaS or CeS, and its crystal structure consists of a mixture of beta and gamma phases, which exhibit a Seebeck coefficient higher than that of the gamma single-phase structure. The production process involves preparing a beta-phase LaS or alpha-phase CeS powder with high purity and controlled impurity concentrations, followed by hot-pressing the material under vacuum.

Career Highlights

Throughout his career, Kazuyoshi Shimakage has worked with esteemed organizations such as the Japan Science and Technology Agency and the National Institute for Materials Science. His work has focused on advancing the understanding and application of thermoelectric materials.

Collaborations

Kazuyoshi has collaborated with notable colleagues, including Yoichiro Uemura and Mamoru Mitomo, contributing to various research projects and innovations in the field.

Conclusion

Kazuyoshi Shimakage's contributions to thermoelectric materials through his innovative patent highlight his role as a significant inventor in this specialized field. His work continues to influence advancements in thermoelectric technology.