Location History:
- Uma-gun, JP (1999 - 2000)
- Niihama, JP (2018 - 2020)
Company Filing History:
9 out of 898 
2 out of 50 
Years Active: 1999-2020
Title: Kazuyuki Takaishi: A Pioneer in Nickel Powder Production
Introduction
Kazuyuki Takaishi, an accomplished inventor based in Niihama, Japan, has significantly contributed to the field of materials science with a focus on nickel powder production. With a portfolio of nine patents, Takaishi has developed innovative methods that enhance the efficiency and quality of nickel powder manufacturing.
Latest Patents
Among his latest inventions is a patent for a Method for producing high density nickel powder. This method aims to produce high density nickel powder with a median diameter of 100 to 160 micrometers by meticulously controlling the particle size of the nickel powder. The process begins with a pressure vessel where a nickel ammine complex solution is combined with seed crystals, followed by temperature elevation and a reduction reaction using hydrogen gas. This innovative method achieves nickel powder with the desired diameter and a bulk density of 1 to 4.5 g/cm³.
Another notable patent is a Method for producing nickel powder that involves a mixing step where an insoluble solid and a dispersant are added to a nickel ammine sulfate complex solution, creating a mixed slurry. In a subsequent reduction and precipitation step, hydrogen gas is introduced to form nickel precipitate, thereby controlling the number of nickel powder particles through the precise addition of dispersants.
Career Highlights
Kazuyuki Takaishi has worked with esteemed organizations, including the Sumitomo Metal Mining Company, Ltd. and Kochi University, National University Corporation, where he applied his expertise in developing advanced materials. His contributions have been pivotal in enhancing the understanding and production of nickel powders, which are essential in various industrial applications.
Collaborations
Throughout his career, Takaishi has collaborated with several notable professionals in his field, including Yoshitomo Ozaki and Shin-ichi Heguri. These collaborations have allowed for a greater exchange of ideas and expertise, further advancing the research and development of nickel powder technologies.
Conclusion
Kazuyuki Takaishi's work exemplifies the spirit of innovation in material science. With his ongoing research and patented methods for producing nickel powder, he continues to influence the industry significantly. His advancements not only improve manufacturing processes but also contribute to the overall development of industrial materials.