Company Filing History:
2 out of 136 
1 out of 39 
Years Active: 1996-2001
Title: Shigehisa Naka: Innovator in Titanium Aluminide Alloys
Introduction
Shigehisa Naka is a notable inventor based in Jouy en Josas, France, known for his significant contributions to the field of materials engineering, particularly in the development of titanium aluminide alloys. With a total of three patents to his name, Naka's innovations have impacted high-temperature applications, particularly in the aerospace industry.
Latest Patents
Naka’s latest patents focus on titanium aluminide, which exhibits excellent properties at elevated temperatures. His work on intermetallic alloys based on titanium aluminide emphasizes a specific Ti/Al ratio of approximately 52/48. This composition not only offers good castability, thanks to initial solidification in the beta phase but also ensures a low density and outstanding oxidation resistance. Notably, the introduction of around 2 atom.% of rhenium and/or tungsten enhances these alloys, making them particularly suitable for the production of components used in aeronautical turbomachines.
Career Highlights
Throughout his career, Naka has been associated with prestigious organizations such as the Office National d'Études et de Recherches Aérospatiales (ONERA), where he contributed to key research initiatives that advanced aerospace technology. His work has garnered recognition in both academic and industrial circles, cementing his reputation as a forward-thinking inventor.
Collaborations
During his career, Shigehisa Naka has collaborated with esteemed colleagues such as Tasadduq Khan and Michel Marty. These partnerships have facilitated groundbreaking research and have furthered the application of titanium aluminide alloys in various industries, especially aeronautics.
Conclusion
Shigehisa Naka stands out as an innovator whose research and patents have significantly influenced the development of high-performance materials. His dedication to advancing titanium aluminide technology continues to inspire current and future generations in the field of materials science and engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.