Location History:
- Gyeongsangnam-Do, KR (2008)
- Changnyung-gun, KR (2008)
- Suwon-si, KR (2011)
- Daejeon, KR (2011 - 2013)
- Gyeonggi-do, KR (2014 - 2018)
- Yongin-si, KR (2021)
- Seongnam-si, KR (2012 - 2024)
Company Filing History:
28 out of 131,214 
5 out of 11,277 
1 out of 11 
Years Active: 2008-2024
Title: Innovations and Achievements of Ji-Hoon Choi
Introduction
Ji-Hoon Choi, a distinguished inventor based in Seongnam-si, South Korea, holds an impressive portfolio of 29 patents primarily in the field of semiconductor technology. His innovative contributions have significantly advanced the development and functionality of three-dimensional semiconductor devices.
Latest Patents
Among his latest patents are groundbreaking inventions such as a three-dimensional semiconductor memory device. This device features a first source conductive pattern made from a polycrystalline material, where the grain size of the first crystal grains is smaller than that of the second crystal grains of the substrate material. Furthermore, the device includes a stack of gate electrodes arranged atop the source conductive pattern, along with a vertical channel that integrates this stack with the first source conductive pattern.
In addition, his patent for a vertical memory device comprises a channel connecting pattern on a substrate, where gate electrodes are strategically spaced apart in a specified direction. This unique arrangement optimizes the channel extension, thus enhancing the interaction between the gate electrodes and the substrate, ultimately improving overall memory device performance.
Career Highlights
Ji-Hoon Choi's career includes notable tenures at prominent companies such as Samsung Electronics and Seo Won Korea. His roles within these organizations have allowed him to push the boundaries of semiconductor innovation, showcasing his expertise and commitment to advancing technology.
Collaborations
Throughout his career, Ji-Hoon Choi has collaborated with talented individuals, including coworkers Seulye Kim and Sunggil Kim. Their collective efforts in research and development have undoubtedly contributed to the successful realization of several of Ji-Hoon's patents.
Conclusion
With a robust portfolio of 29 patents, Ji-Hoon Choi continues to be a pioneering force in the semiconductor industry. His latest inventions illustrate his ability to bring forward innovative solutions that enhance semiconductor technology, confirming his rightful place among leading inventors in this 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.