Kunihito Koumoto

Title: Kunihito Koumoto: Innovator in Thermoelectric Nanocomposites

Introduction

Kunihito Koumoto is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of thermoelectric materials, holding a total of 3 patents. His work focuses on developing innovative materials that enhance thermoelectric conversion efficiency.

Latest Patents

Koumoto's latest patents include a thermoelectric nanocomposite that incorporates oil fly ash and carbon nanotubes. This nanocomposite features porous carbonaceous particles with a composition of 88.5 to 96.45 wt % carbon, 1.0 to 3.0 wt % oxygen, 2.5 to 7.5 wt % sulfur, and 0.05 to 1.0 wt % vanadium. The thermoelectric figure of merit ZT ranges from 0.018 to 0.026 at 293 K and 0.016 to 0.024 at 393 K. Additionally, the power factor is measured at 10 to 14.0 μW/mK at 233 K and greater than 14.0 to 18 μW/mK at 393 K. The Seebeck value is between 24 to 27 μV/K at 233 K and 30 to 34 μV/K at 393 K. This innovative thermoelectric nanocomposite may be utilized in thermoelectric devices. Another patent involves a thermoelectric conversion material with a unique composition, consisting of a first dielectric material layer, a second dielectric material layer, and an electron localization layer with a thickness of 1 nm.

Career Highlights

Koumoto has worked at notable institutions, including Nagoya University and King Abdulaziz University. His research has significantly advanced the understanding and application of thermoelectric materials.

Collaborations

He has collaborated with esteemed colleagues such as Hiromichi Ohta and Yoriko Mune, contributing to the development of innovative technologies in his field.

Conclusion

Kunihito Koumoto's work in thermoelectric nanocomposites showcases his dedication to innovation and research. His contributions continue to impact the field of thermoelectric materials significantly.