Tetsuro Sawai

Title: Tetsuro Sawai: Innovator in Wireless Power Transmission

Introduction

Tetsuro Sawai is a prominent inventor based in Hashima, Japan, known for his significant contributions to the field of wireless power transmission. With a remarkable portfolio that includes 27 patents, Sawai has developed a number of innovative technologies that enhance the efficiency and safety of power transfer systems.

Latest Patents

Among his latest innovations, Sawai has developed a method for controlling a power transmitting device, as well as a method for detecting foreign objects in charging environments. His patented power transmitting device features a power transmitting coil designed to provide output power to a power receiving coil, coupled with a thermal sensor that monitors the temperature around the coil. The power transmission control circuit at the core of this invention effectively adjusts the output power based on the thermal readings, reducing or ceasing power delivery if a metallic foreign object is detected, thereby ensuring safety during operation.

Additionally, Sawai introduced a chargeability presenting method aimed at electric vehicles. This method involves wirelessly supplying power to a charging space before electric power transmission begins. It includes mechanisms to detect heat generated by foreign objects within the charging space and present relevant chargeability information, ensuring efficiency and safety for users.

Career Highlights

Throughout his career, Tetsuro Sawai has made significant strides in the field of technology. He has worked with notable companies such as Sanyo Electric Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd., where his expertise played a pivotal role in advancing wireless power solutions. His professional journey reflects a deep commitment to innovation and excellence in engineering.

Collaborations

Sawai has collaborated with esteemed colleagues like Toshikazu Imaoka and Masao Nishida, working together to explore new technologies and further their shared goals in the sphere of electrical engineering and innovation. These partnerships underscore the collaborative nature of inventing and the importance of teamwork in driving technological progress.

Conclusion

Tetsuro Sawai's contributions to the field of wireless power transmission demonstrate the impact of dedicated inventors on modern technology. His extensive patent portfolio and innovative methods not only enhance user experience but also contribute to the safety and effectiveness of electric vehicle charging solutions. As he continues to innovate, Sawai exemplifies the spirit of invention that drives progress in our increasingly electrified world.