Sentarou Tokimi

Title: The Innovations of Sentarou Tokimi: A Pioneer in DC-to-DC Conversion Technology

Introduction

Sentarou Tokimi is an esteemed inventor hailing from Kawasaki, Japan, known for his significant contributions to the field of electrical engineering. With a total of two patents to his name, Tokimi has made remarkable advancements in the design and functionality of DC-to-DC converters, which are vital in modern electronic applications.

Latest Patents

Sentarou Tokimi's latest patents focus on enhancing the efficiency and reliability of synchronous rectifier type DC-to-DC converters. His first patent, titled "Synchronous rectifier type DC-to-DC converter," addresses challenges associated with simultaneous operation of rectifier synchronous rectification switches and flywheel synchronous rectification switches. This innovative design aims to prevent losses when these switches operate at the same time, mitigating the risk of damage to FETs (Field-Effect Transistors) or transformer windings due to large currents. The converter is designed to efficiently transform a DC power source's voltage into another level, improving overall energy management.

The second patent, "Overcurrent protecting device for use in DC-DC converter," focuses on protective measures for the flywheel switch within the converter. It includes a PWM (Pulse Width Modulation) control circuit that manages the on/off alternation between the main switch, rectification switch, and flywheel switch. This configuration helps detect states where the converter might power down or become overloaded, triggering a control signal that protects the flywheel switch from damage.

Career Highlights

Throughout his career, Sentarou Tokimi has been associated with prominent companies, including Fujitsu Corporation and Fujitsu Denso Limited. These experiences provided him with a strong foundation in electrical engineering, further enhancing his innovative capabilities.

Collaborations

During his career, Tokimi has collaborated with notable colleagues such as Hiroshi Shimamori and Shigeharu Yamashita. These partnerships have contributed to the exchange of ideas and knowledge, fostering an environment of innovation and advancement in their field.

Conclusion

Sentarou Tokimi's contributions to DC-to-DC conversion technology exemplify the spirit of innovation in the electrical engineering domain. His patents not only showcase his technical expertise but also reflect the importance of collaboration in the engineering community. As technology continues to evolve, Tokimi’s work will likely have a lasting impact on the efficiency and reliability of electronic devices worldwide.