Fumihiro Koshigoe

Title: Fumihiro Koshigoe: Innovator in Aluminum Alloy Technology

Introduction

Fumihiro Koshigoe is a prominent inventor based in Moka, Japan. He has made significant contributions to the field of aluminum alloy technology, holding a total of 12 patents. His work focuses on enhancing the performance and durability of aluminum materials, particularly in applications such as heat exchangers.

Latest Patents

One of Koshigoe's latest patents is for an aluminum alloy brazing sheet and method for producing the same. This innovation features an aluminum alloy brazing sheet designed for heat exchangers, which excels in corrosion resistance while also providing satisfactory erosion resistance and high strength. The invention includes a core material made of an aluminum alloy with specific amounts of Si, Mn, Cu, Mg, and Ti. Additionally, it incorporates a clad material that lies on one side of the core, constituting the inner side of a tube member of the heat exchanger. The filler material, also an aluminum alloy, forms the outer side of the tube member. The crystal grain size of the core material after brazing is maintained between 50 µm and 300 µm in the rolling direction.

Another notable patent is for a method of manufacturing clad material and the equipment required for its production. This patent describes a skin material composed of one or more layers, each made of a different metal than the core material. At least one layer of the skin material possesses a cast microstructure, which is superposed on one or both faces of the core material.

Career Highlights

Throughout his career, Koshigoe has worked with reputable companies, including Kobe Steel, Ltd. and Kabushiki Kaisha Kobe Seiko Sho. His experience in these organizations has allowed him to refine his expertise in aluminum alloy technologies and contribute to various innovative projects.

Collaborations

Koshigoe has collaborated with notable colleagues such as Toshiki Ueda and Akihiro Tsuruno. These partnerships have further enriched his work and led to advancements in the field of aluminum alloys.

Conclusion

Fumihiro Koshigoe is a distinguished inventor whose work in aluminum alloy technology has led to significant advancements in the industry. His innovative patents and collaborations reflect his commitment to enhancing material performance and durability.