Keiko Higashi

Title: Keiko Higashi: Innovator in Aluminum Nitride Technology

Introduction

Keiko Higashi is a prominent inventor based in Kokubu, Japan. She has made significant contributions to the field of materials science, particularly in the development of aluminum nitride sintered bodies. Her innovative work has led to advancements that are crucial for various industrial applications.

Latest Patents

Keiko Higashi holds a patent for an aluminum nitride sintered body. This invention is composed of a sintered body of aluminum nitride, erbium (Er) metal or its compound, and calcium (Ca) metal or its compounds. The sintered body contains 1.8 to 10% by weight of an erbium component calculated as an oxide and more than 0 to not more than 2% by weight of a calcium component calculated as an oxide. It consists of crystal grains of aluminum nitride and an intergranular phase composed mainly of an aluminate other than Er₃Al₅O₁₂. Furthermore, the sintered body has a bulk density of 3.2 to 3.6 g/cm³.

Career Highlights

Keiko Higashi is associated with Kyocera Corporation, where she has been able to apply her expertise in materials science. Her work has not only contributed to the company's portfolio but has also enhanced the understanding of aluminum nitride materials in various applications.

Collaborations

Throughout her career, Keiko has collaborated with notable colleagues, including Masanobu Ishida and Nobuyuki Ito. These collaborations have fostered a productive environment for innovation and research.

Conclusion

Keiko Higashi's contributions to the field of aluminum nitride technology exemplify her dedication to innovation and excellence. Her patent and work at Kyocera Corporation highlight her role as a leading inventor in materials science.