Company Filing History:
Years Active: 2012-2016
Title: Tatsuya Sumiyoshi: Innovator in Memory Systems
Introduction
Tatsuya Sumiyoshi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of memory systems, holding three patents that showcase his innovative approach to data storage and management.
Latest Patents
One of his latest patents is titled "Memory system and method for writing data into memory system." This invention includes a nonvolatile memory with multiple word lines connected to memory cells, each capable of storing two bits. The system features a random access memory that stores an address translation table, which indicates the relationships between logical and physical addresses. Additionally, it includes a memory controller that executes data fixing to save the address translation table from the random access memory to the nonvolatile memory. Another significant patent is the "Management information generating method, logical block constructing method, and semiconductor memory device." This method associates logical and physical block addresses in a translation table and sets values for the maximum number of allowable defective physical blocks, ensuring efficient management of memory resources.
Career Highlights
Tatsuya Sumiyoshi is currently employed at Kabushiki Kaisha Toshiba, where he continues to develop innovative memory solutions. His work has been instrumental in advancing the technology used in semiconductor memory devices.
Collaborations
He collaborates with esteemed colleagues such as Hirokuni Yano and Yoshimi Niisato, contributing to a dynamic and innovative work environment.
Conclusion
Tatsuya Sumiyoshi's contributions to memory systems reflect his expertise and commitment to innovation. His patents not only enhance data management but also pave the way for future advancements in the field.