Teruo Nakagawa

Title: Teruo Nakagawa: Innovator in Power Supply Systems

Introduction

Teruo Nakagawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power supply systems, holding a total of 3 patents. His innovative work focuses on enhancing the efficiency and stability of power supply systems for various applications.

Latest Patents

One of Nakagawa's latest patents is a power supply system for negative impedance discharge loads. This system is designed to supply discharge power not from a voltage source but from a current source through a current transformer. This approach ensures that stabilized and well-balanced discharge currents can be supplied to multiple discharge loads, such as those used in gas laser systems.

Another notable patent is the helper drive apparatus for a turbine drive system. This invention features a turbine control circuit that regulates the output power of the turbine based on a turbine power reference signal. Additionally, it includes a motor control circuit for the helper motor, which assists in driving the load. The system also incorporates speed control means to detect differences between reference and operational speeds, providing a master power reference signal. A power sharing ratio control circuit further optimizes the distribution of power between the turbine and the helper motor.

Career Highlights

Teruo Nakagawa is associated with Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His work at Toshiba has allowed him to develop groundbreaking technologies that enhance power supply systems. His contributions have been instrumental in advancing the capabilities of turbine drive systems and discharge load applications.

Collaborations

Throughout his career, Nakagawa has collaborated with notable colleagues, including Tadao Mose and Akio Hirata. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced technologies in their respective fields.

Conclusion

Teruo Nakagawa's contributions to power supply systems exemplify the spirit of innovation. His patents reflect a deep understanding of electrical engineering and a commitment to improving technology. His work continues to influence the industry and inspire future advancements.