Company Filing History:
Years Active: 1983-1985
Title: Celebrating the Innovations of Inventor Osamu Fukunaga
Introduction
Osamu Fukunaga, an accomplished inventor based in Otake, Japan, has made significant contributions to the field of materials science. With a total of three patents to his name, his work primarily focuses on the development of advanced microporous fibers, which hold promise for various applications, particularly in medical filtration.
Latest Patents
Fukunaga's notable patents include the innovative "Process for making microporous polyethylene hollow fibers." This invention describes porous hollow fibers made from high-density polyethylene, characterized by rectangular micropores oriented in the lengthwise direction. These fibers possess a porosity ranging from 30 to 90% by volume. Importantly, the membranes created from these hollow fibers demonstrate impressive water permeability exceeding 65 ml/m², hr, mmHg and a human serum albumin permeability greater than 30%. These unique properties make them particularly suitable for use as filters, especially in the fractionation of whole blood into its plasma and cellular components. The manufacturing process involves spinning high-density polyethylene under high-draft conditions, followed by cold and hot stretching, all without the use of solvents or plasticizers.
Career Highlights
Osamu Fukunaga is currently affiliated with Mitsubishi Rayon Company, Limited, where he continues to advance innovation in fiber technology. His extensive research and developments have led to the optimization of microporous materials, pushing the boundaries of practical applications in filtration and separation technologies.
Collaborations
Throughout his career, Fukunaga has collaborated with colleagues, including prominent co-inventors Mizuo Shindo and Takashi Yamamoto. Their teamwork has been instrumental in refining the processes involved in developing these innovative fibers, contributing to the field of materials science.
Conclusion
Osamu Fukunaga stands out as a dedicated inventor whose work in microporous polyethylene hollow fibers exemplifies the intersection of science and innovation. His patents not only reflect his ingenuity but also offer practical solutions in the medical field, particularly in the purification and separation of biological fluids. With ongoing advancements, Fukunaga continues to inspire the next generation of inventors and researchers.