Location History:
- Toyota, JA (1976)
- Aichi, JP (1979 - 1993)
- Toyota, JP (2000)
Company Filing History:
2 out of 1,838 
2 out of 5,207 
2 out of 36,653 
Years Active: 1976-2000
Title: Masaoki Hashimoto: Innovator in Aluminum Nitride and Composite Materials
Introduction
Masaoki Hashimoto is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of materials science, particularly in the production of aluminum nitride and lightweight composite materials. With a total of 4 patents to his name, Hashimoto's work has implications for various industries, including automotive and manufacturing.
Latest Patents
One of Hashimoto's latest patents is a process for producing aluminum nitride. This innovative process involves nitriding a mixed powder that consists of bulky aluminum powder and a nitriding accelerator powder under a nitrogen gas atmosphere at temperatures ranging from 500 to 1000 degrees Celsius. The resulting aluminum nitride is noted for its ease of crushing by hand using a mortar. Another significant patent is for a lightweight and low thermal expansion composite material. This method involves forming a metallic composite product with a specific gravity no greater than 1.8 and a thermal expansion no greater than 16×10^-6 °C in a preheated mold. The process utilizes screened fly ash, glass, and hollow spheres, which are combined with molten aluminum alloy injected at high pressure.
Career Highlights
Throughout his career, Masaoki Hashimoto has worked with prominent companies such as Toyota Motor Corporation and Aisin Seiki Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in automotive technology and materials.
Collaborations
Hashimoto has collaborated with notable coworkers, including Yoshiro Komiyama and Hirohisa Miura. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Masaoki Hashimoto's contributions to the fields of aluminum nitride production and composite materials highlight his role as an influential inventor. His patents reflect a commitment to innovation and practical applications in various industries.