Company Filing History:
1 out of 6 
1 out of 9 Years Active: 2014-2016
Title: Tatsuhiro Shigemitsu: Innovator in Thermal Spray Technology
Introduction
Tatsuhiro Shigemitsu is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of thermal spray technology, particularly in the development of advanced materials for industrial applications. With a total of 2 patents, his work focuses on enhancing the performance and durability of components used in molten metal plating processes.
Latest Patents
Shigemitsu's latest patents include innovative solutions such as a cermet thermal spray powder and a hearth roll with high manganese build-up resistance. The cermet thermal spray powder is designed to generate a dense sprayed coating that exhibits superior wear resistance, toughness, and resistance to both molten metal and thermal shock. This powder is specifically formulated with a first boride containing tungsten, a second boride containing chromium, and binder alloy particles that include tungsten, chromium, and cobalt. The composition ensures that the content of boron is maintained between 4.5% and 8.5% by mass, while tungsten constitutes 50% to 85% by mass of the total powder.
The hearth roll patent features a thermally sprayed coating that includes a nitride, an oxide, or a multiple oxide, combined with a matrix material made from one or more metals. This innovative design addresses the challenges of manganese build-up, ensuring that specific volume percentages of the nitride and oxide are maintained within defined limits to optimize performance.
Career Highlights
Throughout his career, Tatsuhiro Shigemitsu has worked with notable companies such as Nippon Steel & Sumikin Hardfacing Co., Ltd. and Nippon Steel Hardfacing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in thermal spray technologies and contribute to advancements in the field.
Collaborations
Shigemitsu has collaborated with talented individuals in his field, including Yu Li and Masahiro Noguchi. These partnerships have fostered innovation and the exchange of ideas, further enhancing the development of new technologies.
Conclusion
Tatsuhiro Shigemitsu is a distinguished inventor whose work in thermal spray technology has led to significant advancements in industrial applications. His innovative patents reflect a commitment to improving material performance and durability in challenging environments.