Location History:
- Asan-si, KR (2013 - 2016)
- Seongnam-si, KR (2020)
Company Filing History:
4 out of 131,906 
1 out of 38 Years Active: 2013-2020
Title: The Innovative Journey of Inventor Joo-han Lee
Introduction: Joo-han Lee, a prominent inventor based in Asan-si, South Korea, has made significant contributions to the fields of chemical mechanical polishing and printed circuit board technology. With a total of four patents to his name, Lee has demonstrated a remarkable ability to innovate and improve existing technologies.
Latest Patents: Among his most recent inventions are two noteworthy patents. The first patent involves a chemical mechanical polishing method that includes preparing a polishing pad and conditioning disk, determining the appropriate load to be applied during the process, and conditioning the pad to enhance its performance. This innovation streamlines the CMP process and optimizes the conditioning of polishing pads. The second patent focuses on an array printed circuit board (PCB) that allows for easy replacement of defective single PCBs within a larger assembly. This invention also describes a method for manufacturing electronic apparatuses utilizing this innovative PCB structure, which includes rail portions and test terminal portions for improved connectivity and maintenance.
Career Highlights: Joo-han Lee has worked with notable companies, including Samsung Electronics Co., Ltd. and Ehwa Diamond Industrial Co., Ltd. His employment at these leading organizations has enabled him to channel his inventive prowess into creating cutting-edge technologies that address industry needs.
Collaborations: Throughout his career, Lee has collaborated with talented colleagues, such as Jung-Hoon Kim and Seong-Chan Han. These partnerships have fostered an environment of creativity and shared expertise, driving the innovations that have emerged from their collective efforts.
Conclusion: With his impressive track record of four patents and contributions to significant technological advancements, Joo-han Lee stands out as an influential inventor in the field. His work in chemical mechanical polishing and printed circuit board technology exemplifies the spirit of innovation, ensuring continued progress in the industry. As he moves forward, the potential for future breakthroughs remains promising.