Shigekazu Yamada

Title: Shigekazu Yamada: Pioneering Innovator with 73 Patents

Introduction:

Shigekazu Yamada, based in Tokyo, JP, is a highly accomplished inventor with an extensive portfolio of 73 patents. Yamada has made significant contributions to the field of storage systems and memory devices, specifically focusing on reducing read disturbs and improving double sense operations. His contributions have been recognized while working for renowned companies such as Micron Technology Incorporated and Intel Corporation.

Standby Biasing Techniques to Reduce Read Disturbs:

One of the notable patents credited to Shigekazu Yamada involves the development of standby biasing techniques to reduce read disturbs in storage systems. The patent describes the implementation of a high-voltage bias signal during the standby state, without exceeding the allowed maximum standby current of the storage system. By coupling a global word line to a local word line via a string driver circuit, this innovation effectively minimizes read disturbances and enhances the overall performance of the storage system.

Memory Device with Initial Charging Phase for Double Sense Operation:

Another patented technology by Yamada focuses on improving the efficiency and reliability of double sense operations in memory devices. This invention includes the use of first and second data lines, an access line shared by the memory cells, and a control unit with specialized circuitry. The unique charging techniques employed during different time intervals enable precise voltage manipulation, leading to reliable determination of threshold voltages for each memory cell. This innovation significantly enhances the accuracy and speed of double sense operations.

Collaborations and Professional Background:

Throughout his career, Shigekazu Yamada has had the opportunity to work with talented individuals in the industry. Among his notable colleagues are Tomoharu Tanaka and Akira Goda. Their combined expertise and collaborative efforts have likely played a significant role in the successful development and commercialization of Yamada's patented technologies.

Yamada's professional journey has seen him contribute to leading companies in the tech industry. He was affiliated with reputable organizations such as Micron Technology Incorporated and Intel Corporation. These companies, known for their contributions to semiconductor technology, provide a glimpse into Yamada's prestigious career path and his involvement with cutting-edge research and development.

Conclusion:

Shigekazu Yamada is a highly accomplished inventor, with an impressive track record of 73 patents in the field of storage systems and memory devices. His innovative standby biasing techniques and advancements in double sense operations have significantly contributed to the overall efficiency, reliability, and performance of these technologies. Yamada's collaborations with talented professionals and his tenure at renowned companies further highlight his expertise and dedication to pushing the boundaries of innovation in the tech industry.