Company Filing History:
Years Active: 1989
Title: Kiyoshi Yasumura: Innovator in Polyester Film Technology
Introduction: Kiyoshi Yasumura is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyester films for magnetic recording applications. His innovative work has paved the way for advancements in video recording technology.
Latest Patents: Yasumura holds a patent for a polyester film designed specifically for use as the magnetic tape base in video recording. This polyester film is capable of high-density recording and exhibits stable slidability and running characteristics. The film is composed of a polyester that contains 0.05-1 wt % particles containing calcium and phosphorus. The specific properties of the film are defined by the relationships between the number of second interference fringes and the average centerline roughness.
Career Highlights: Yasumura is currently employed at Diafoil Company, Ltd., where he continues to innovate and develop new materials. His work has been instrumental in enhancing the performance of magnetic recording tapes, which are essential for video technology.
Collaborations: Yasumura has collaborated with fellow inventor Seiji Sakamoto, contributing to the advancement of polyester film technology. Their partnership has led to significant improvements in the quality and efficiency of magnetic recording materials.
Conclusion: Kiyoshi Yasumura's contributions to polyester film technology have had a lasting impact on the field of video recording. His innovative patent and ongoing work at Diafoil Company, Ltd. highlight his dedication to advancing materials science.