Masashi Matsumura

Title: The Innovations of Masashi Matsumura: A Semiconductor Pioneer

Introduction

Masashi Matsumura, an accomplished inventor based in Itami, Japan, has made significant contributions to the semiconductor industry through his innovative designs and technologies. With a total of six patents to his name, Matsumura has focused on addressing critical issues related to memory modules and voltage generation in semiconductor devices.

Latest Patents

Matsumura's latest patents reflect his ingenuity in improving semiconductor device functionality. One notable invention is a semiconductor device featuring a plurality of memory modules that reduces the peak value of rush current during the transition from resume mode to normal mode. This device introduces a daisy-chained arrangement of memory modules, each containing a memory array, a switch for controlling the source voltage supply, and a delay circuit. The delay circuit manages the timing of the resume control signal to optimize performance during state transitions.

Another significant development is a semiconductor integrated circuit device equipped with an internal voltage generation circuit. This innovation includes a negative voltage generation circuit for each power supply unit serving six memory macros. By activating only one power supply circuit unit at a time during standby mode, Matsumura’s design effectively prevents an increase in standby current, thus ensuring enhanced energy efficiency.

Career Highlights

Matsumura has been associated with prominent companies in the semiconductor sector, including Renesas Electronics Corporation and Renesas Technology Corporation. His work with these organizations has allowed him to collaborate on cutting-edge technologies and contribute to advancements in semiconductor design.

Collaborations

Throughout his career, Matsumura has worked alongside renowned professionals, including Mihoko Akiyama and Futoshi Igaue. Together, their efforts have led to significant breakthroughs in semiconductor technology, pushing the boundaries of what is possible in the field.

Conclusion

Masashi Matsumura's innovations in semiconductor devices have not only enhanced the functionality of memory modules but also improved energy efficiency in critical applications. His patents stand as a testament to his expertise and commitment to advancing technology in the semiconductor industry. As he continues to innovate, Matsumura remains a key figure in the development of next-generation semiconductor solutions.