This inventor holds 5 USPTO granted patents. Top assignees: Sandisk Technologies Inc., Taiwan Semiconductor Manufacturing Comp. Ltd.. Active years: 2020-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Cuptertino, CA (US) (2020)
- Yokkaichi, JP (2020 - 2021)
- Cupertino, CA (US) (2022 - 2023)
Company Filing History:

Years Active: 2020-2023
Title: Shigeki Shimomura: Innovator in Memory Device Technology
Introduction
Shigeki Shimomura is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of memory devices, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of memory technologies.
Latest Patents
One of his latest patents is a memory device that includes a bit cell with a first inverter connected between a first node and a second node, along with a second inverter that is cross-coupled at a first data node and a second data node. This innovative design also features a pull-down circuit that operates to lower the voltage of the second node below ground voltage in response to an enable signal. Another significant patent is for a leakage reduction circuit for read-only memory (ROM) structures. This method involves a series of steps to perform a read operation on a memory block, including enabling bit line precharge circuitry and a leakage current reduction circuit, which generates a voltage differential across the addressed memory cells.
Career Highlights
Shigeki Shimomura has worked with prominent companies in the technology sector, including SanDisk Technologies Inc. and Taiwan Semiconductor Manufacturing Company. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in memory technology.
Collaborations
Throughout his career, Shimomura has collaborated with esteemed colleagues such as Hiroyuki Ogawa and Hiroshi Nakatsuji. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Shigeki Shimomura's contributions to memory device technology are noteworthy and reflect his dedication to innovation. His patents demonstrate a commitment to improving the efficiency of memory systems, making a lasting impact in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile