Tomohiro Kawakubo

Title: Innovations in Semiconductor Technology: The Patents of Tomohiro Kawakubo

Introduction

Tomohiro Kawakubo, based in Kawasaki, Japan, is a prominent inventor in the field of semiconductor technology. Holding an impressive portfolio of 21 patents, he has made significant contributions to improving the functionality and efficiency of semiconductor devices. His innovations focus on memory systems, underscoring their importance in modern electronic applications.

Latest Patents

Kawakubo's latest patents showcase advanced technologies in semiconductor memory. One of his notable inventions is a **semiconductor memory with redundant word lines, system, and method of manufacturing semiconductor memory**. This design features a memory cell array equipped with multiple real and redundant word lines, ensuring improved reliability. During ordinary operations, a row selection circuit can intelligently select between real and redundant word lines based on row address inputs. Moreover, in a first test mode, it can multi-select the redundant word lines to enhance testing processes.

Another significant patent is for a **semiconductor memory device and method of controlling the same**. This invention includes a robust memory core with numerous memory cells, alongside an innovative internal voltage generator and a low power entry circuit. The low power entry circuit helps in minimizing energy consumption by generating a low power signal that restricts refresh operations in low power modes. The integrated internal voltage generator smartly boosts internal voltages and maintains efficiency, highlighting Kawakubo's commitment to optimizing semiconductor performance.

Career Highlights

Throughout his career, Kawakubo has collaborated with renowned companies, including Fujitsu Semiconductor Limited and Fujitsu Corporation. His work at these institutions has not only contributed to his expansive patent portfolio but has also solidified his reputation as an influential figure in semiconductor innovation.

Collaborations

Kawakubo's journey in the tech industry has included partnerships with industry experts, including coworkers Shinya Fujioka and Koichi Nishimura. These collaborations have fostered an environment of innovative thinking, encouraging the development of groundbreaking semiconductor technologies.

Conclusion

Tomohiro Kawakubo's achievements in the patent arena reflect his dedication to advancing semiconductor technology. His innovative solutions not only address contemporary challenges but also pave the way for future advancements in memory systems and their applications in electronic devices. Through his patents, Kawakubo continues to impact the evolution of the semiconductor industry significantly.