This inventor holds 6 USPTO granted patents. Top assignees: Toray Industries, Inc., Toyo Seikan Kaisha, Ltd.. Active years: 1982-2005.
Location History:
- Kusatsu, JP (1982 - 2003)
- Shiga, JP (1998 - 2005)
Company Filing History:
6 out of 3,578 
1 out of 586 
Years Active: 1982-2005
Title: The Innovations of Masayoshi Asakura
Introduction
Masayoshi Asakura is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyester films. With a total of 6 patents to his name, Asakura's work has had a profound impact on various industrial applications.
Latest Patents
Asakura's latest patents include a polyester film designed for heat-resistant capacitors, along with a metallized film and a heat-resistant film capacitor that incorporates this innovative material. This polyester film is characterized by its high heat resistance, consisting of a biaxially oriented film that contains a polyester (A) as the main component and a polyimide (B). It boasts a glass transition temperature ranging from 105°C to 145°C and an elongation at break in the machine direction of 70% to 150%. These properties provide excellent insulation volume resistance and insulation breakdown voltage at elevated temperatures. Additionally, he has developed a process for making biaxially oriented polyester films that exhibit high rigidity, tear resistance, and dimensional stability, making them suitable for high-density magnetic recording media and other applications.
Career Highlights
Throughout his career, Masayoshi Asakura has worked with prominent companies such as Toray Industries, Inc. and Toyo Seikan Kaisha, Ltd. His expertise in materials science has allowed him to contribute to the advancement of technologies that utilize polyester films in various industries.
Collaborations
Asakura has collaborated with notable colleagues, including Tetsuya Tsunekawa and Itsuo Nagai. These partnerships have further enriched his research and development efforts, leading to innovative solutions in the field of materials.
Conclusion
Masayoshi Asakura's contributions to the development of heat-resistant polyester films and his extensive patent portfolio highlight his role as a leading inventor in materials science. His work continues to influence various industrial applications, showcasing the importance of innovation in technology.