Isao Matsushita

Title: Isao Matsushita: Innovator in Calcium Carbonate Crystal Production

Introduction

Isao Matsushita is a notable inventor based in Kochi, Japan. He has made significant contributions to the field of materials science, particularly in the production of calcium carbonate single crystals. His innovative methods have implications for various optical applications.

Latest Patents

Matsushita holds a patent for a "Method for producing calcite-type calcium carbonate single crystal." This invention provides a method for producing calcite-type calcium carbonate single crystals that are suitable for optical elements. The process can be conducted under relatively low temperature and low pressure conditions. The method involves several steps, including filling a sealed pressure container with solvent and calcium carbonate, dissolving the starting material under specific conditions, and crystallizing the calcium carbonate on a seed crystal. Notably, the method utilizes an aqueous solution of ammonium salt of mono-carboxylic acid as the solvent, which can be derived from various carboxylic acids.

Career Highlights

Matsushita is associated with Toyo Denka Kogyo Co., Ltd., where he has been able to apply his innovative ideas in a practical setting. His work has contributed to advancements in the production of high-quality optical materials.

Collaborations

One of his notable collaborators is Kazumichi Yanagisawa, with whom he has worked on various projects related to crystal growth and materials science.

Conclusion

Isao Matsushita's contributions to the field of calcium carbonate crystal production highlight his innovative spirit and dedication to advancing materials science. His patented methods are paving the way for new applications in optical technology.