Company Filing History:
4 out of 42,485 
2 out of 61 Years Active: 1988-1995
Title: Innovations of Tsutomu Sumimoto in Semiconductor Technology
Introduction
Tsutomu Sumimoto is a distinguished inventor based in Hadano, Japan. With a remarkable portfolio of four patents, he has made significant contributions to the field of semiconductor technology, particularly in the development of integrated circuit devices.
Latest Patents
Sumimoto's latest innovations focus on semiconductor integrated circuit devices designed for memory applications with logic functions. His patents detail a configuration that includes multiple RAM macrocells and gate arrays. Each RAM macrocell is made up of bipolar CMOS RAMs with a collective memory capacity of at least 100 kilobits. The gate arrays feature at least 4000 gates, enabling complex logic circuits. These circuits are designed by selectively combining CMOS, bipolar CMOS, or ECL gate circuits, optimizing for output load capacity, transmission characteristics, and power dissipation. Additionally, the memory device integrates sequence control circuits necessary for managing buffer storage systems within computers.
Career Highlights
Throughout his career, Tsutomu Sumimoto has played a pivotal role in the semiconductor industry, notably working with leading companies such as Hitachi, Ltd. and Hitachi Microcomputer System, Ltd. His tenure at these organizations has facilitated his extensive research and development endeavors in semiconductor technology.
Collaborations
In his journey as an inventor, Sumimoto has collaborated with notable colleagues including Toshihisa Taniguchi and Shuuichi Miyaoka. Their combined expertise has contributed to enhancing the capabilities of semiconductor integrated circuit devices and fostering innovation within the sector.
Conclusion
Tsutomu Sumimoto's innovative work in semiconductor technology has paved the way for advancements in memory devices with integrated logic functions. His patents not only highlight his creativity but also reflect his commitment to pushing the boundaries of technology in the field. As a key figure in the industry, Sumimoto continues to inspire future innovations and developments in semiconductor applications.
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.