Motoharu Morikawa

Title: Motoharu Morikawa: Innovator in Fluorescent Material Production

Introduction

Motoharu Morikawa is a distinguished inventor based in Anan, Japan. He has made significant contributions to the field of materials science, particularly in the production of fluorescent materials. With a total of 8 patents to his name, Morikawa's work has had a profound impact on the industry.

Latest Patents

One of Morikawa's latest patents is a method for producing β-sialon fluorescent material. This innovative method involves preparing a composition containing silicon nitride with aluminum, oxygen, and europium. The process includes heat-treating the composition at temperatures ranging from 1300°C to 1600°C to obtain a heat-treated product. The method also specifies a two-step temperature-decrease process, ensuring optimal conditions for producing high-quality fluorescent materials. Another notable patent focuses on producing β-sialon fluorescent material with high light emission intensity and excellent luminance. This method includes preparing a calcined product, grinding it to achieve a specific surface area, and heat-treating the ground product.

Career Highlights

Morikawa is currently employed at Nichia Corporation, a leading company in the field of phosphor materials. His work at Nichia has allowed him to develop and refine his innovative methods, contributing to the company's reputation for excellence in fluorescent materials.

Collaborations

Throughout his career, Morikawa has collaborated with notable colleagues, including Shoji Hosokawa and Kenichi Aoyagi. These collaborations have further enhanced his research and development efforts in the field.

Conclusion

Motoharu Morikawa is a prominent inventor whose work in the production of fluorescent materials has led to significant advancements in the industry. His innovative methods and collaborations continue to shape the future of materials science.