Location History:
- Kodaira, JP (1990 - 2004)
- Kanagawa, JP (2013)
- Tokyo, JP (1996 - 2020)
- Nishitokyo, JP (2003 - 2020)
Company Filing History:
18 out of 7,524 
15 out of 42,485 
10 out of 3,781 
Years Active: 1990-2020
Title: Shigezumi Matsui: A Pioneer in Semiconductor Innovations
Introduction: Shigezumi Matsui is a renowned inventor based in Nishitokyo, Japan, holding an impressive portfolio of 45 patents. His contributions to the field of semiconductor technology and microcomputing have made significant impacts on the industry.
Latest Patents: Matsui's recent patents include a groundbreaking data processing device. This innovative microcomputer features a rectangular semiconductor board equipped with memory interface circuits strategically positioned along the peripheries, allowing for enhanced size reduction compared to traditional designs. By minimizing the constraints of size, Matsui's invention also simplifies line design on motherboards and module boards through its unique configuration of data units and data strobe signals.
Another notable invention is the lower-power semiconductor memory device. This technology incorporates a logic circuit within a system Large Scale Integrated Circuit (LSI) which includes a power switch to cut off leakage current during standby mode. Additionally, an SRAM circuit within the LSI effectively controls substrate bias, substantially reducing overall leakage current.
Career Highlights: Throughout his career, Shigezumi Matsui has been instrumental in the development of advanced semiconductor technologies. He has held positions at notable companies such as Renesas Electronics Corporation and Hitachi, Ltd., contributing his expertise to propel innovation in microelectronics.
Collaborations: Matsui has worked alongside prominent colleagues, including Masanao Yamaoka and Koichiro Ishibashi, fostering a collaborative environment that has spurred the advancement of cutting-edge technologies in semiconductor design.
Conclusion: Shigezumi Matsui remains a vital figure in the field of semiconductor innovations. His extensive patent portfolio and continuous advancements underline his commitment to driving technology forward, establishing him as a key inventor in the landscape of modern electronics.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.