Company Filing History:
2 out of 5 
1 out of 481 
1 out of 41 Years Active: 2023-2026
Title: Isao Tomita: Innovator in Lithium Recovery Technologies
Introduction
Isao Tomita is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of lithium recovery technologies, holding a total of 4 patents. His work focuses on methods for efficiently extracting and processing lithium from various sources, particularly lithium-ion battery waste.
Latest Patents
Tomita's latest patents include innovative methods that enhance the recovery and production of lithium compounds. One of his patents describes a method for dissolving lithium compounds, which involves bringing a lithium compound into contact with water or an acidic solution. This process includes feeding a carbonate ion separately to produce carbonic acid, which reacts with the lithium compound to yield lithium hydrogen carbonate. Another patent outlines a method for producing lithium carbonate from lithium-ion battery waste. This method involves a wet process to separate metal components from the waste, followed by a dissolution step where crude lithium carbonate is dissolved in a liquid while feeding carbon dioxide gas. The final step includes heating the lithium solution to release carbonic acid, optimizing the recovery process.
Career Highlights
Throughout his career, Isao Tomita has worked with prominent companies in the mining and metals sector, including JX Nippon Mining & Metals Corporation and JX Metals Corporation. His experience in these organizations has allowed him to develop and refine his innovative approaches to lithium recovery.
Collaborations
Tomita has collaborated with notable professionals in his field, including Hirotaka Ariyoshi and Hiroshi Abe. These collaborations have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Isao Tomita's contributions to lithium recovery technologies highlight his innovative spirit and dedication to advancing sustainable practices in the industry. His patents reflect a commitment to improving the efficiency of lithium extraction processes, which is crucial in today's battery-driven world.