Location History:
- Gunma, JP (1984)
- Fukui, JP (1992 - 1996)
- Fukui-ken, JP (2001)
Company Filing History:
Years Active: 1984-2001
Title: Norifumi Yoshida: Innovator in Metal Extraction and Lanthanum Manganite Production
Introduction
Norifumi Yoshida is a distinguished inventor based in Fukui, Japan. With an impressive portfolio of nine patents, he has made significant contributions to the fields of material science and chemical engineering. His work focuses primarily on the extraction of metal values and the preparation of advanced materials, particularly in relation to rare earth elements.
Latest Patents
Yoshida’s latest innovations include a groundbreaking method for multi-stage solvent extraction of metal values. This process optimizes the extraction of rare earth elements from acidic feed solutions, involving a novel approach of ion exchange dialysis as opposed to conventional neutralization methods. Another notable patent details a method for preparing lanthanum manganite powder that boasts excellent flowability. This innovative technique diverges from traditional calcination methods, incorporating particulate ammonium carbonate to enhance the production efficiency and quality of the lanthanum manganite.
Career Highlights
Throughout his career, Yoshida has been affiliated with notable companies, including Shin-Etsu Chemical Co., Ltd. and Shin-Etsu Chemical Ltd. His roles at these organizations have enabled him to further his research and development endeavors, solidifying his reputation as a leading inventor in his field.
Collaborations
Yoshida has collaborated with esteemed coworkers such as Yuji Kimura and Shigeru Sakai, working together to push the boundaries of innovation in their respective areas. These partnerships reflect his commitment to advancing scientific knowledge and technological advancements.
Conclusion
Norifumi Yoshida’s work exemplifies the spirit of innovation, especially in the vital sectors of materials chemistry and engineering. His patents not only illustrate his creativity and technical skill, but they also contribute to the efficient extraction and processing of rare earth elements, showcasing his lasting impact on modern industry.