Shigeki Monma

Title: Shigeki Monma: Innovator in Power Semiconductor Technology

Introduction

Shigeki Monma is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of power semiconductor technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and performance of semiconductor devices.

Latest Patents

Monma's latest patents include a "Power semiconductor switching apparatus with heat sinks" and a "Discharge apparatus having hollow cathode." The power semiconductor switching apparatus is designed to radiate heat generated from semiconductor switching element chips while reducing thermal stress. It features equally set lengths of gate electrode wires, resulting in a large capacity and improved switching characteristics. The discharge apparatus comprises a vacuum envelope evacuated by a pumping apparatus, containing an anode and a hollow cathode connected to an arc power supply. A disk with an orifice covers one end of the hollow cathode, allowing low-pressure gas to be supplied from a gas source, maintaining a higher gas pressure in the hollow cathode than in the envelope.

Career Highlights

Throughout his career, Shigeki Monma has worked with prominent companies such as Tokyo Shibaura Denki Kabushiki Kaisha and Toshiba Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Monma has collaborated with notable coworkers, including Osami Morimiya and Setsuo Suzuki. Their collective efforts have further advanced the field of power semiconductors.

Conclusion

Shigeki Monma's contributions to power semiconductor technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in semiconductor applications.