This inventor holds 3 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Uacj Corporation, Furukawa-Sky Aluminum Corporation, Inter-University Research Institute Corporation National Institutes of Natural Sciences. Active years: 2015-2021.
Company Filing History:
2 out of 192 
1 out of 30 
1 out of 54 
Years Active: 2015-2021
Title: **Toshio Ushiyama – Innovator in Aluminum Alloy Technology**
Introduction
Toshio Ushiyama, based in Tokyo, Japan, is a distinguished inventor with a significant contribution to the field of aluminum alloy technology. He holds three patents that showcase his innovative approaches to enhancing the properties of aluminum casting. His work is particularly focused on creating alloys that optimize performance and production processes.
Latest Patents
Ushiyama's latest patents include groundbreaking advancements in aluminum alloys tailored for low-pressure casting. His first patent introduces an aluminum alloy made from an Al-Si-Cu-Mg composition, with carefully defined amounts of silicon, copper, magnesium, titanium, phosphorus, boron, sodium, and strontium. This alloy is designed to improve the surface smoothness of cast articles, minimizing surface segregation, even when using molten metals that contain eutectic structure modifiers.
Another notable patent involves an aluminum alloy cast impeller for compressors, which boasts exceptional high-temperature strength at around 200°C. The impeller design features specific secondary dendrite arm spacings that ensure its structural integrity under stress, achieved through precision casting techniques using plaster molds.
Career Highlights
Ushiyama has built a formidable career in innovative materials development, with significant tenures at UACJ Corporation and UACJ Foundry & Forging Corporation. His work has not only advanced his companies’ technological standing but has also contributed valuable knowledge to the industry, pushing the boundaries of what is achievable with aluminum alloys.
Collaborations
Throughout his career, Toshio Ushiyama has collaborated with notable experts such as Akihiro Minagawa and Koichi Takahashi. These collaborations have fostered a creative environment that encourages the sharing of ideas and techniques, leading to groundbreaking advancements in aluminum alloy technologies.
Conclusion
Toshio Ushiyama exemplifies the spirit of innovation in material science, with patents that demonstrate practical applications and significant improvements in aluminum alloys. His work continues to inspire future developments in the industry, reinforcing the vital role of inventors in driving technological progress.