Masuo Kokumai

Title: Masuo Kokumai: Innovator in Polytetrafluoroethylene Molding Powder

Introduction

Masuo Kokumai is a notable inventor based in Itami, Japan. He has made significant contributions to the field of materials science, particularly in the development of polytetrafluoroethylene (PTFE) molding powders. With a total of 6 patents to his name, Kokumai's work has had a substantial impact on various industrial applications.

Latest Patents

Kokumai's latest patents focus on a unique formulation of polytetrafluoroethylene molding powder. This innovative molding powder comprises 0.01 to 1% by weight of a perfluoro(vinyl ether) unit and exhibits a heat of crystallization ranging from 18.0 to 25.0 J/g. The resulting molded articles demonstrate impressive performance characteristics, including a flex life of not less than 7 million cycles. Additionally, the molding powder shows excellent creep resistance, with total deformation at 200°C not exceeding 20% and at 25°C not exceeding 15%. This formulation is particularly suitable for parts that undergo repeated bending, such as pumps, due to its superior creep resistance and flex fatigue resistance.

Career Highlights

Throughout his career, Masuo Kokumai has worked with prominent companies, including Daikin Industries, Ltd. His experience in these organizations has allowed him to refine his expertise in material development and innovation.

Collaborations

Kokumai has collaborated with notable colleagues in his field, including Mitsuru Kishine and Tetsuo Shimizu. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Masuo Kokumai's contributions to the field of polytetrafluoroethylene molding powders highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to creating high-performance materials that meet the demands of modern industrial applications.