This inventor holds 1 USPTO granted patent. Top assignees: Sanwa Industry Co., Ltd., Tokyo Electron Limited, Yamaguchi Prefectural Industrial Technology Institute. Active years: 2025.
Company Filing History:
1 out of 1 
1 out of 10,883 
1 out of 2 Years Active: 2025
Title: Takehiko Muranaka: Innovator in Anodized Titanium Materials
Introduction
Takehiko Muranaka is a notable inventor based in Yamaguchi, Japan. He has made significant contributions to the field of materials science, particularly in the development of anodized titanium materials. His innovative work has led to the creation of a unique anodized titanium layer that enhances the properties of titanium base materials.
Latest Patents
Muranaka holds a patent for an anodized titanium material and the method for producing the same. This patent describes an anodized titanium material that includes a titanium base material and an anodized titanium layer. The anodized titanium layer is characterized by its porous structure and impressive properties. It has a withstand voltage at 25° C. of 500 V or more, a Vickers hardness of 200 or more, and a film thickness ranging from 20 μm to less than 80 μm. Additionally, the surface roughness is finely controlled, with an arithmetic average roughness Ra of less than 1.6 μm and a maximum height roughness Rz of less than 6.3 μm. Notably, the structure of the anodized titanium oxide layer is designed to prevent the formation of pore sections that could accommodate a circle with a diameter of 0.5 μm or more.
Career Highlights
Throughout his career, Muranaka has worked with esteemed organizations such as the Yamaguchi Prefectural Industrial Technology Institute and Sanwa Industry Co., Ltd. His experience in these institutions has allowed him to refine his expertise in materials technology and innovation.
Collaborations
Muranaka has collaborated with talented individuals in his field, including Kouji Niimi and Yuuta Ueno. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Takehiko Muranaka's contributions to anodized titanium materials exemplify the impact of innovative thinking in materials science. His patent reflects a significant advancement in the properties of titanium, showcasing his dedication to enhancing material performance.