Junzo Tanaka

Title: Junzo Tanaka: Innovator in Over-Current Protection Devices

Introduction

Junzo Tanaka is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of over-current protection devices. With a total of 4 patents to his name, Tanaka's work has had a considerable impact on enhancing the safety and efficiency of electrical systems.

Latest Patents

Tanaka's latest patents include an over-current protection device and an overload current protection apparatus. The over-current protection device is designed with a current detection unit that detects current from a power supply to a load. It features a magnetism detection element with a magnetic impedance (MI) effect, an AC-current supply device, and a bias-current supply device. This innovative design allows for a peak detection device to identify variations in voltage, thereby expanding the current detectable range while reducing power consumption and cost.

The overload current protection apparatus utilizes a current sensor that senses the current supplied from a power source to a load. It incorporates a magnetic sensor with the MI effect, an AC supply means, and a bias current supply means. This apparatus also includes a peak sensing means that detects changes in impedance as voltage changes. By providing a holding means and amplification means, Tanaka's design enables effective current sensing for each phase, further enhancing efficiency and reducing costs.

Career Highlights

Tanaka is currently employed at Fuji Electric Co., Ltd., where he continues to innovate and develop advanced electrical solutions. His work has been instrumental in improving the reliability and safety of electrical devices, making him a respected figure in his field.

Collaborations

Throughout his career, Tanaka has collaborated with talented individuals such as Takahiro Kudo and Kimitada Ishikawa. These collaborations have fostered a creative environment that has led to the successful development of various innovative technologies.

Conclusion

Junzo Tanaka's contributions to the field of electrical engineering, particularly in over-current protection devices, highlight his role as a significant inventor. His innovative patents and collaborations demonstrate his commitment to advancing technology and improving safety in electrical systems.