Masayasu Tanaka

Title: Masayasu Tanaka: Innovator in Power Supply Technology

Introduction

Masayasu Tanaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power supply technology, holding a total of 6 patents. His work focuses on innovative solutions for handling both direct current (DC) and alternating current (AC) power supplies.

Latest Patents

Tanaka's latest patents include a power supply circuit capable of handling both direct current and alternating current, along with a power supply control method. This invention features a power supply circuit that includes an input terminal, a rectifier circuit, a power factor improvement circuit, a DC/DC converter, and a control module. The control module determines whether the input power supply is AC or DC based on the output voltage of the rectifier circuit. When the input power supply is AC, the control module generates a DC power supply using the power factor improvement circuit and DC/DC converter. Conversely, when the input power supply is DC, it generates a DC power supply by controlling the operation of the power factor improvement circuit and DC/DC converter according to the voltage of the input DC power supply.

Another notable patent involves a battery set structure and charge/discharge control apparatus. This invention utilizes a battery charge circuit that employs a constant voltage/constant current method to charge multiple battery packs. It includes a current detection circuit to monitor the charge current and control mechanisms to maintain a constant voltage charge mode when the charge current value falls below a predetermined threshold within the battery pack.

Career Highlights

Masayasu Tanaka is associated with Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work at Toshiba has allowed him to develop and refine his innovative ideas in power supply technology.

Collaborations

Tanaka has collaborated with notable colleagues such as Shizuo Morioka and Nobuyuki Hosoya. Their combined expertise has contributed to the advancement of technology in their respective fields.

Conclusion

Masayasu Tanaka's contributions to power supply technology demonstrate his innovative spirit and dedication to improving electrical systems. His patents reflect a deep understanding of both AC and DC power management, making him a valuable asset in the field of electrical engineering.