Location History:
- Ansan-si, KR (2010 - 2014)
- Osan-si, KR (2019 - 2020)
Company Filing History:
3 out of 7,646 
2 out of 131,611 
Years Active: 2010-2020
Title: The Innovative Journey of Inventor Yongnam Ham
Introduction: Yongnam Ham, a prominent inventor based in Osan-si, South Korea, has made significant strides in the field of nanotechnology and battery materials. With four patents to his name, his work focuses on advancing the efficiency and performance of optoelectronic devices and lithium ion batteries.
Latest Patents: Some of the remarkable inventions credited to Yongnam include methods related to nanocrystals. One of his latest patents is for a "Nanocrystal, method of preparing the same, and optoelectronic device including the nanocrystal." This patent involves a substituted nanocrystal where a portion of halogen atoms in the outermost region are substituted with chloride anions or other polyatomic anions. Another notable patent that showcases his ingenuity is for a "Cathode active material, cathode and lithium secondary battery including the same, and method of preparing cathode active material." This innovation comprises a layered lithium transition metal oxide, which features a metal cation with an oxidation number of +4, enhancing the battery's overall effectiveness.
Career Highlights: Yongnam has significantly contributed to renowned technology companies, including Samsung SDI Co., Inc. and Samsung Electronics Co., Ltd. His extensive experience within these organizations has allowed him to refine his innovative approaches and apply them to real-world applications.
Collaborations: Throughout his career, Yongnam Ham has collaborated with accomplished peers, including Gue-sung Kim and Jin-hwan Park. These partnerships have facilitated a productive exchange of ideas, further driving innovation in the technologies they are involved with.
Conclusion: Yongnam Ham stands out as a prolific inventor whose contributions have the potential to shape the future of nanotechnology and energy storage solutions. His patents reflect a commitment to innovation and collaboration, marking him as a crucial figure in the advancement of optoelectronic devices and battery materials. As industries continue to evolve, the work of inventors like Yongnam will play a vital role in promoting technological advancements and sustainable solutions.