This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1991-1992.
Company Filing History:
Years Active: 1991-1992
Title: Tastuyoshi Aisaka: Innovator in Low Expansion Cast Iron
Introduction
Tastuyoshi Aisaka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of low expansion cast iron. With a total of 2 patents to his name, Aisaka's work has garnered attention for its innovative approach and practical applications.
Latest Patents
Aisaka's latest patents include a unique formulation of low expansion cast iron. This cast iron features an austenitic matrix and consists of 1% to 3.5% carbon, up to 1.5% silicon, 32% to 39.5% nickel, and 1% to less than 4% cobalt. The combined total of nickel and cobalt can reach up to 41%, with the balance being substantially all iron. This composition provides a low expansion coefficient, excellent castability, good cutting properties, and remarkable damping capacity. Another patent focuses on a low expansion cast iron lapping tool, which boasts a flatness in the range below 20 µm and shares similar material properties as his cast iron formulation.
Career Highlights
Aisaka is currently employed at Toshiba Corporation, where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of cast iron, making it suitable for various industrial applications.
Collaborations
Aisaka has collaborated with notable colleagues, including Takanobu Nishimura and Motoo Suzuki. Their combined expertise has contributed to the successful development of Aisaka's patented technologies.
Conclusion
Tastuyoshi Aisaka's contributions to the field of low expansion cast iron demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material properties and their applications in industry. Aisaka's work continues to influence the field and inspire future advancements.