Wuhan, China

Longdong Liu

This inventor holds 1 USPTO granted patent and 9 published patent applications. Top assignee: Yangtze Memory Technologies., Ltd.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Longdong Liu. Retrieved from https://idiyas.com/inventor/longdong-liu-pojnjbcd

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 1 

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Longdong Liu: Innovator in Three-Dimensional Memory Technology

Introduction

Longdong Liu is a prominent inventor based in Wuhan, China. He has made significant contributions to the field of memory technology, particularly with his innovative approach to three-dimensional memory devices. His work is characterized by a focus on enhancing the efficiency and functionality of memory storage solutions.

Latest Patents

Liu holds a patent for a groundbreaking invention titled "Three-dimensional memory with an enlarged channel connecting opening and fabricating method thereof." This patent describes a three-dimensional memory device and its fabrication method. The method involves forming a first stack structure on a substrate, along with a connecting layer. An opening is created through the connecting layer and a first channel hole through the first stack structure, ensuring that the opening is interconnected with the first channel hole. The process includes etching the connecting layer using a dry etching technique to enlarge the opening, followed by the formation of a filling structure in both the enlarged opening and the first channel hole. Notably, the bottom aperture of the enlarged opening is larger than the top aperture of the first channel hole. The dry etching process consists of at least two stages, utilizing different Radio Frequency (RF) powers.

Career Highlights

Liu is currently associated with Yangtze Memory Technologies, Ltd., where he continues to push the boundaries of memory technology. His innovative work has positioned him as a key figure in the development of advanced memory solutions.

Collaborations

Liu collaborates with talented individuals in his field, including Zhenzhen Zhang and Ming Li. Their combined expertise contributes to the advancement of memory technology and the successful implementation of innovative solutions.

Conclusion

Longdong Liu's contributions to three-dimensional memory technology exemplify the spirit of innovation in the field. His patent and ongoing work at Yangtze Memory Technologies, Ltd. highlight his commitment to advancing memory solutions. Liu's achievements reflect the importance of collaboration and creativity in driving technological progress.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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