Location History:
- Iwaki, JP (2020)
- Fukushima, JP (2021 - 2022)
Company Filing History:
Years Active: 2020-2022
Title: Ryohei Yoshida: Innovator in Zinc Oxide Technology
Introduction
Ryohei Yoshida is a prominent inventor based in Fukushima, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced zinc oxide compounds. With a total of 4 patents to his name, Yoshida's work focuses on enhancing the properties of zinc oxide for various applications.
Latest Patents
Yoshida's latest patents include innovative methods for producing trivalent metal-doped hexagonal plate-shaped zinc oxide. This invention provides zinc oxide with excellent infrared blocking ability, high whiteness, and superior texture during use. The trivalent metal-doped hexagonal plate-shaped zinc oxide boasts an aspect ratio of 2.5 or greater, with a trivalent metal element content based on the zinc element ranging from 0.15 to 5 mol %. Additionally, it achieves a whiteness of 90 or higher and a powder spectral reflectance at a wavelength of 1500 nm of 80% or less. Another notable patent involves a method for producing hexagonal plate-shaped zinc oxide, which emphasizes a small thickness and minimal variation in particle size. This method includes preparing a slurry mixture containing starting particulate zinc oxide, a zinc acetate solution, and a chloride, followed by heat aging the mixture at temperatures between 60°C to 100°C.
Career Highlights
Yoshida is currently associated with Sakai Chemical Industry Co., Ltd., where he continues to push the boundaries of zinc oxide research. His work has garnered attention for its potential applications in various industries, including coatings, electronics, and cosmetics.
Collaborations
Yoshida collaborates with esteemed colleagues such as Mitsuo Hashimoto and Kazutaka Murai, contributing to a dynamic research environment that fosters innovation and development.
Conclusion
Ryohei Yoshida's contributions to zinc oxide technology exemplify the impact of innovative thinking in materials science. His patents reflect a commitment to advancing the field and improving product performance across multiple applications.