Morihisa Matumoto

Title: Morihisa Matumoto: Innovator in Vacuum Circuit Breaker Technology

Introduction

Morihisa Matumoto is a notable inventor based in Kitaibaraki, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of vacuum circuit breakers. With a total of 2 patents to his name, Matumoto's work has had a profound impact on the efficiency and reliability of electrical systems.

Latest Patents

Matumoto's latest patents include innovative designs that enhance the performance of vacuum circuit breakers. One of his patents is for a contact structure for a vacuum circuit breaker, which features an electrically insulating vacuum vessel. This design includes fixed and movable contact units sealed within the vacuum vessel, along with shield members that surround these units. Additionally, particles of metal are applied to at least a part of the inner surface of the vacuum vessel, improving its functionality.

Another significant patent is for a vacuum interrupter that incorporates a cylindrical coil electrode. This design consists of a cylindrical body with an opening at one end, two electrical connections, and two arcuate slits that form current paths. The structure allows for a one-turn current to flow throughout the paths, creating a uniform axial magnetic field. This innovation enhances the current interruption performance of the vacuum interrupter, ensuring a more reliable operation.

Career Highlights

Morihisa Matumoto is currently employed at Hitachi, Ltd., a leading company in the technology and engineering sector. His work at Hitachi has allowed him to collaborate with other talented engineers and contribute to groundbreaking advancements in electrical engineering.

Collaborations

Throughout his career, Matumoto has worked alongside esteemed colleagues such as Yukio Kurosawa and Kiyoji Iwashita. Their collaborative efforts have led to the development of innovative technologies that continue to shape the industry.

Conclusion

Morihisa Matumoto's contributions to vacuum circuit breaker technology exemplify his dedication to innovation in electrical engineering. His patents reflect a commitment to improving the efficiency and reliability of electrical systems, making him a significant figure in the field.