Zhehong Qian

Title: **Zhehong Qian: Innovator in Memory Controller Technology**

Introduction

Zhehong Qian is a distinguished inventor based in Shanghai, China, known for his significant contributions to memory controller technology. With a total of 7 patents to his name, Qian has focused on enhancing the efficiency and performance of memory systems through innovative designs.

Latest Patents

Among his notable inventions, Zhehong Qian's latest patents include:

1. **Structure of a High-Bandwidth-Memory Command Queue**

This invention presents a novel structure for a high-bandwidth-memory command queue utilized in memory controllers. It features an external per-bank refresh mechanism that mitigates some unpredictable aspects associated with PBR commands, along with DRAM burst reordering that improves memory bandwidth utilization.

2. **Memory Controller Having Command Queue with Entries Merging**

This innovative apparatus encompasses a port interface linked to a data bus for receiving memory transaction commands, coupled with a command queue. The design includes multiple memory entries for storage of these commands, a placement logic module that merges incoming memory transaction commands with those already in storage, and a selection logic module to determine the sequence for transmitting the stored commands to a memory interface.

Career Highlights

Zhehong Qian has built his career at esteemed companies, including Cadence Design Systems, Inc. and Candace Design Systems, Inc. His expertise and visionary approach have made a significant impact in his field, leading to advancements in memory technology.

Collaborations

Throughout his career, Qian has collaborated with talented individuals such as Yanjuan Zhan and Ying Nan Li. These collaborations have enhanced his work and contributed to the development of cutting-edge technologies.

Conclusion

Zhehong Qian is a recognized inventor whose contributions significantly advance memory controller technologies. His work exemplifies innovation in enhancing the efficiency and performance of memory systems, positioning him as a key figure in the realm of high-tech inventions.