Location History:
- Tsukuba, JP (2005 - 2015)
- Ibaraki, JP (2009 - 2020)
Company Filing History:
11 out of 550 
2 out of 341 
2 out of 1,142 
Years Active: 2005-2020
Title: Innovator Spotlight: Tadaharu Yokokawa
Introduction
Tadaharu Yokokawa, located in Ibaraki, Japan, is an accomplished inventor with a remarkable record of 11 patents to his name. His innovative work largely focuses on nickel-based superalloys, showcasing his expertise and dedication to advancing materials science.
Latest Patents
Yokokawa's latest patents include a revolutionary method for recycling nickel-based superalloy parts. This method significantly reduces the cost of recycling while ensuring that the physical properties of the recycled superalloy part are comparable to newly produced ones. The process involves melting and desulfurizing the superalloy at elevated temperatures, followed by pouring into a heated mold to produce high-quality recycled materials suited for highly efficient gas turbine engines.
Another notable invention is his nickel-based heat-resistant superalloy, produced through casting and forging methods. This alloy contains specific percentages of chromium, aluminum, cobalt, and titanium, ensuring exceptional strength and resistance to high temperatures, further contributing to advancements in the aerospace and energy sectors.
Career Highlights
Yokokawa has made significant contributions to the field through his tenure at esteemed organizations such as the National Institute for Materials Science and Ishikawajima-Harima Heavy Industries Co., Ltd. His work has been pivotal in the development and implementation of advanced materials in various industries.
Collaborations
Throughout his career, Yokokawa has collaborated with notable coworkers such as Hiroshi Harada and Toshiharu Kobayashi. These collaborations have facilitated the exchange of ideas and expertise, enhancing the impact of his inventions on the industry.
Conclusion
Tadaharu Yokokawa's contributions to the field of materials science, particularly in nickel-based superalloys, reflect his innovative spirit and commitment to sustainability. His patents not only present novel methods and materials but also pave the way for more efficient and eco-friendly practices in various industrial applications.