Company Filing History:
Years Active: 2018-2022
Title: Hidemasa Nagai: Pioneering Methods for Scandium Recovery
Introduction
Hidemasa Nagai is a notable inventor hailing from Niihama, Japan. With a total of 8 patents to his name, he has made significant strides in the field of metal recovery, particularly in the extraction of scandium. His innovative approaches contribute valuable advancements to the metallurgy industry.
Latest Patents
Among his latest innovations, Nagai has developed a comprehensive method for recovering scandium from nickel oxide ore and acidic solutions. His first patent involves a multi-step process that begins with leaching nickel oxide ore with sulfuric acid to obtain a leachate. Following this, he introduces a series of steps including neutralization, sulfurization, ion exchange, dissolution, solvent extraction, and finally, scandium recovery through the application of oxalic acid. This intricate method showcases his detailed understanding of chemical processes and the complexities involved in metal recovery.
In his second significant patent, Nagai presents another method for recovering scandium from an acidic solution. This method includes a precipitation step where sodium sulfate is added to form a scandium double sulfate. Subsequent phases involve dissolving this precipitate, yielding scandium hydroxide, and refining the process to achieve purified scandium via re-dissolution. This patent further highlights his expertise and innovative approach to scandium recovery processes.
Career Highlights
Nagai currently works with Sumitomo Metal Mining Company, Ltd., where he collaborates on various projects related to metal extraction and recovery. His role as an inventor is pivotal in driving the company's technological advancements forward.
Collaborations
Throughout his career, Nagai has collaborated with prominent colleagues including Tatsuya Higaki and Shin-ya Matsumoto. These partnerships have fostered an environment of innovation and have led to the successful development of his patented methods.
Conclusion
Hidemasa Nagai’s contributions to the field of metallurgy, specifically in the recovery of scandium, demonstrate his profound impact as an inventor. With a robust portfolio of patents and a collaborative spirit, he continues to push the boundaries of what is achievable in metal recovery techniques. His work not only enhances industrial processes but also sets a standard for future innovations in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.