This inventor holds 3 USPTO granted patents. Top assignee: Nok Corporation. Active years: 1990-1993.
Company Filing History:
Years Active: 1990-1993
Title: Hirokazu Nagato: Innovator in Magnetic Fluid Technology
Introduction
Hirokazu Nagato is a prominent inventor based in Fujisawa, Japan, known for his innovative contributions to the field of magnetic fluids. With a total of three patents to his name, Nagato's work has significantly advanced the understanding and applications of magnetic fluid technologies.
Latest Patents
Nagato's latest patents focus on processes for producing magnetic fluids. One such patent describes a method for producing a magnetic fluid by adding a solution of N-polyalkylenepolyamine-substituted alkenylsuccinimide in a hydrocarbon solvent to an aqueous suspension of fine ferrite particles. This process results in the adsorption of the N-polyalkylenepolyamine-substituted alkenylsuccinimide onto the ferrite particles, followed by the distillation of water and hydrocarbon solvent. The final product is a dispersion of fine particles of magnetite adsorbed onto a low vapor pressure base oil.
In another of his innovative patents, he details a process for preparing a magnetic fluid that contains finely dispersed ferrite particles in a carrier liquid. This is achieved by using a combination of a dispersing agent—such as the N-polyalkylenepolyamine-substituted alkenylsuccinimide—and other surfactants, ensuring stability and high performance of the magnetic fluid.
Career Highlights
Hirokazu Nagato works at Nok Corporation, where he has honed his expertise in the development of advanced materials. His work is characterized by a strong focus on practical applications of magnetic fluids, contributing both to academic research and industry standards.
Collaborations
Nagato collaborates with talented coworkers, including Takao Kanno and Yutaka Koda, leveraging their diverse skills to push the boundaries of magnetic fluid technology. Their teamwork has fostered an environment of innovation, allowing them to tackle complex challenges in the field.
Conclusion
Hirokazu Nagato exemplifies the spirit of innovation through his dedicated research and development in magnetic fluids. His patents not only highlight his talent as an inventor but also their potential impact on various industrial applications. As he continues to advance this technology, both he and Nok Corporation are poised to make significant contributions to the field.