This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Dongwoo Fine-Chem. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Bong-Jin Choi: Advancing Lithium Battery Recycling and Materials
Introduction
Bong-Jin Choi is an inventor based in Chungcheongnam-do, South Korea. His patent work focuses on recovering valuable materials from spent lithium secondary batteries and preparing materials used in battery cathodes. He is associated with Dongwoo Fine-Chem and has 3 patents.
Latest Patents
Choi’s recent patent work includes methods for producing high-purity lithium hydroxide from lithium-containing waste liquid generated by spent lithium secondary batteries. This approach addresses the recovery of lithium from battery waste.
Another disclosed invention concerns preparing cathode active material precursor material from waste lithium secondary batteries with high nickel content. The related methods also cover producing cathode active material using that precursor, as well as the resulting cathode active material itself.
Career Highlights
Choi’s listed inventions connect battery recycling with the production of materials for new lithium secondary batteries. His work at Dongwoo Fine-Chem is associated with processes for recovering lithium and preparing cathode materials from recycled battery resources.
Collaborations
Choi’s listed coworkers include Ji-Hoon Lee and Myung-Jin Kim. Their names are associated with his professional network in the battery materials and recycling field.
Conclusion
Bong-Jin Choi’s patent portfolio highlights practical approaches to recovering lithium and producing cathode materials from spent batteries, linking recycling processes with the development of battery materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile