Toyohashi, Japan

Yoshikazu Todaka


Average Co-Inventor Count = 7.2

ph-index = 1


Company Filing History:


Years Active: 2013-2015

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshikazu Todaka

Introduction

Yoshikazu Todaka is a notable inventor based in Toyohashi, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced zirconium alloys and processes for forming ultrafine crystal layers in metallic materials. With a total of two patents to his name, Todaka's work showcases his expertise and innovative spirit.

Latest Patents

Todaka's latest patents include a zirconium alloy material that exhibits high corrosion resistance, regardless of the thermal history during its manufacturing process. This zirconium alloy contains specific percentages of elements such as tin, iron, chromium, nickel, niobium, carbon, nitrogen, hafnium, and oxygen, with the remainder being zirconium and inevitable impurities. The alloy is designed to have a bulk structure and a surface layer characterized by a plastic strain of three or more, a Vickers hardness of 260 HV or more, and an arithmetic mean surface roughness of 0.2 micrometers or less. Additionally, he has developed a process for forming an ultrafine crystal layer in a workpiece made of metallic material. This process involves machining the surface of the workpiece to impart a large local strain, resulting in the formation of an ultrafine crystal layer in the surface layer portion.

Career Highlights

Throughout his career, Yoshikazu Todaka has worked with prominent organizations such as Hitachi, Ltd. and Toyohashi University of Technology. His experience in these institutions has allowed him to collaborate with other experts in the field and further his research in materials science.

Collaborations

Some of Todaka's notable coworkers include Minoru Umemoto and Ryo Ishibashi. Their collaborative efforts have contributed to advancements in the technologies related to his patents.

Conclusion

Yoshikazu Todaka's innovative work in zirconium alloys and ultrafine crystal layer formation highlights his significant contributions to materials science. His patents reflect a commitment to advancing technology and improving material properties for various applications.

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