Makoto Suwada

Title: **Makoto Suwada: Innovator in Semiconductor Technology**

Introduction

Makoto Suwada is a distinguished inventor based in Kawasaki, Japan, known for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 24 patents, he has demonstrated exceptional ingenuity and technical expertise, particularly in innovations surrounding memory circuits.

Latest Patents

Suwada’s recent patents include two notable innovations in semiconductor devices. The first is a semiconductor device and control method for a semiconductor device, which features a design where multiple chips, each containing a memory circuit, are stacked together. This advancement incorporates a transmission path with several microbumps across the chips, equipped with measurement circuitry that detects reflected waveforms to measure propagation delays. The resulting technology enables precise temperature calculations for memory areas, thereby optimizing refresh intervals accordingly to enhance operational efficiency.

His second patent, titled "Semiconductor device and refresh rate control method of semiconductor device based on measured temperature," further builds upon this innovation. It integrates measurement circuitry positioned in various memory areas, enabling real-time temperature assessments. By utilizing a thermal resistance model, this patent details a method for determining refresh intervals based on calculated temperatures, ensuring optimal performance of each memory circuit.

Career Highlights

Suwada is currently employed at Fujitsu Corporation, where he continues to pioneer advancements in semiconductor technology. His work has significantly impacted how memory circuits function under varying thermal conditions, contributing to enhanced reliability and efficiency of semiconductor devices.

Collaborations

Throughout his career, Suwada has collaborated with esteemed colleagues, including Masaki Tosaka and Kazuhiko Tokuda. This teamwork exemplifies the collaborative spirit prevalent in the research community, furthering innovation in semiconductor technologies.

Conclusion

Makoto Suwada's contributions to semiconductor technology, as evidenced by his extensive patent portfolio and collaborative efforts, highlight his vital role in this ever-evolving field. His innovations continue to pave the way for advancements that improve the functionality and efficiency of electronic devices, showcasing the importance of dedicated inventors in driving technological progress.