Qingshan Hao

Title: **Innovator Profile: Qingshan Hao**

Introduction

Qingshan Hao is a notable inventor based in Shanghai, China, recognized for his contributions to the field of semiconductor technology. With a focus on enhancing data security for memory devices, his work has significantly impacted how non-volatile memory devices protect information.

Latest Patents

Qingshan Hao holds a patent for his invention titled "Reversible Write-Protection for Non-Volatile Semiconductor Memory Device." This innovative patent describes a serial memory device that features a non-volatile memory array with multiple memory blocks. A critical aspect of the invention is its ability to switch between a locked and unlocked state based on designated lock or unlock signal sequences. Specifically, the unlocking process involves a two-sequence approach, where the first unlock sequence consists of 1 to 7 signal bits and is applied to an address input pin or a logic low enabled write-protection input pin. Following this, a second unlock sequence is applied to a serial data access pin. Incorporating control logic and a write-protection circuit, this invention allows for the identification and implementation of security protocols effectively.

Career Highlights

Qingshan Hao is currently employed at Giantec Semiconductor, Ltd., a company known for its advancements in semiconductor technology. His innovative contributions in writing protection and data security for memory devices highlight his expertise and dedication to his field.

Collaborations

During his career, Qingshan has collaborated with talented colleagues such as Dan Shao and Hongru Xu. These partnerships have facilitated the development of advanced technologies and have been instrumental in elevating the capabilities of the products offered by their company.

Conclusion

Qingshan Hao's inventive spirit and dedication to improving semiconductor memory technologies set him apart as a notable inventor in the field. His patent on reversible write-protection exemplifies his ability to innovate and contribute significantly to data security solutions in non-volatile memory devices. As he continues his career at Giantec Semiconductor, his future work is anticipated to further enhance the landscape of semiconductor technology.