This inventor holds 1 USPTO granted patent. Top assignee: Macronix International. 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: Chih-Chieh Cheng and Memory-Device Innovation.
Introduction
Chih-Chieh Cheng is an inventor associated with Hsinchu, Taiwan, and Macronix International. His patent work concerns memory-device technology, particularly erase operations for high-capacity, high-performance 3D NAND flash memory.
Latest Patents
The provided information lists one patent for Cheng: “Erase Method for Memory Device and Memory Device.” The invention describes a memory block containing memory-cell strings with first-part memory cells, dummy cells, and second-part memory cells. It programs selected pages, then uses gate-induced drain leakage (GIDL) to erase the first pages while inhibiting the second pages and dummy cells during the erase operation. This approach is designed to control erasure within the memory device.
Career Highlights
Cheng’s listed patent reflects work on memory architecture and erase control for 3D NAND flash. The supplied information associates him with Macronix International and records 1 patent.
Collaborations
The provided information names You-Liang Chou and Wen-Jer Tsai as Cheng’s coworkers. Their inclusion indicates professional connections, but no specific joint work or roles in the listed patent are provided.
Conclusion
Chih-Chieh Cheng’s recorded invention addresses selective erasure in 3D NAND memory, highlighting a technical contribution to memory-device design and operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile