Location History:
- Suita, JP (1995)
- Osaka, JP (2007)
Company Filing History:
2 out of 5 
2 out of 17 
1 out of 1 Years Active: 1995-2007
Title: Kei Demizu: Innovator in Titanium Surface Treatment
Introduction
Kei Demizu is a notable inventor based in Osaka, Japan, recognized for his contributions to the field of titanium surface treatment. With a total of two patents to his name, Demizu has developed innovative methods that enhance the properties of titanium metals.
Latest Patents
Demizu's latest patents include a "Method of Surface Treatment of Titanium Metal" and a "Method of Treating the Surface of Titanium." The first patent proposes a carburizing treatment that allows carbon to penetrate between metallic atoms without forming amorphous deposits on the surface. This method involves heating titanium to a temperature of 400-690°C in a hydrogen gas atmosphere, applying a DC voltage for cleaning, and conducting plasma carburizing under specific conditions. The second patent focuses on reducing the friction coefficient and wear loss of titanium while maintaining its corrosion resistance. This is achieved through plasma-carburizing in a hydrocarbon gas atmosphere at elevated temperatures.
Career Highlights
Throughout his career, Kei Demizu has worked with reputable organizations, including Tanaka Limited and Osaka Prefecture. His experience in these companies has contributed to his expertise in titanium treatment technologies.
Collaborations
Demizu has collaborated with notable colleagues such as Yukihiro Sato and Takumi Sone, further enhancing his innovative work in the field.
Conclusion
Kei Demizu's advancements in titanium surface treatment demonstrate his significant impact on material science. His innovative methods not only improve the performance of titanium but also pave the way for future developments in the industry.