Keitaro Matsumaru

Title: Keitaro Matsumaru: Innovator in Gallium Nitride Technology

Introduction

Keitaro Matsumaru is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of gallium nitride technologies. With a total of 3 patents to his name, Matsumaru's work has the potential to impact various applications in electronics and optoelectronics.

Latest Patents

Matsumaru's latest patents focus on the creation of gallium nitride sintered bodies and molded articles. His inventions provide high density and low oxygen content without the need for special apparatuses. The first embodiment of his patent describes a gallium nitride sintered body characterized by a density of 2.5 g/cm³ to less than 5.0 g/cm³ and an intensity ratio of the gallium oxide peak to the gallium nitride peak of less than 3%, as determined by X-ray diffraction analysis. The second embodiment details a metal gallium-impregnated gallium nitride molded article, which consists of separate gallium nitride and metal gallium phases, with a molar ratio of Ga/(Ga+N) ranging from 55% to 80%.

Career Highlights

Keitaro Matsumaru is currently employed at Tosoh Corporation, where he continues to innovate in the field of gallium nitride materials. His work has garnered attention for its practical applications and potential to enhance the performance of electronic devices.

Collaborations

Matsumaru has collaborated with notable colleagues, including Tetsuo Shibutami and Masami Mesuda. Their combined expertise contributes to the advancement of gallium nitride technologies.

Conclusion

Keitaro Matsumaru's contributions to gallium nitride technology exemplify the importance of innovation in materials science. His patents reflect a commitment to developing high-performance materials that can benefit various industries.