Hideo Kumita

Title: Hideo Kumita: Innovator in Electric Contact Materials

Introduction

Hideo Kumita is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electric contact materials, holding two patents that showcase his innovative approach to manufacturing.

Latest Patents

Kumita's latest patents include a method for manufacturing Ag-oxide-based electric contact material and the product of the same. This invention addresses the challenges posed by the discharge standard provisions in Japan and the European Union's EC Directive on Waste from Electrical and Electronic Equipment (WEEE). The method involves replacing the atmosphere in a pressured oxidation furnace with oxygen and gradually raising the temperature of an internal-oxidative Ag alloy. This process is designed to restrain the generation of an Ag-rich layer on the surface while ensuring a uniform and fine dispersion of a composite oxide of added elements within the internal structure.

Career Highlights

Throughout his career, Hideo Kumita has worked with various companies, including Tokuriki Honten Co., Ltd. His work has focused on developing materials that meet stringent environmental standards while maintaining excellent electrical properties.

Collaborations

Kumita has collaborated with notable individuals in his field, including Ikuhiro Miyashita and Tokihiro Yoshikawa. These collaborations have contributed to the advancement of technology in electric contact materials.

Conclusion

Hideo Kumita's innovative work in electric contact materials demonstrates his commitment to addressing environmental challenges while enhancing electrical performance. His patents reflect a deep understanding of material science and a dedication to sustainable practices.