Toshihide Kumazaki

Title: The Innovations of Toshihide Kumazaki

Introduction

Toshihide Kumazaki is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of gas sensor technology. His work is particularly recognized for its application in internal combustion engines.

Latest Patents

Kumazaki holds a patent for a gas sensor control apparatus. This innovative device features a sensor element of an air-fuel (A/F) sensor that includes a solid electrolyte layer. The design incorporates a first electrode exposed to exhaust gas and a second electrode facing an atmospheric air chamber. The sensor element generates an output based on the oxygen concentration in the exhaust gas. A microcomputer plays a crucial role by supplying oxygen to the first electrode side from the second electrode side through the solid electrolyte layer. This is achieved by applying a predetermined voltage between the electrodes. Additionally, the microcomputer can detect any crack abnormalities in the solid electrolyte layer by monitoring the electric current generated when oxygen supply begins.

Career Highlights

Kumazaki is currently employed at Denso Corporation, a leading company in automotive technology. His work at Denso has allowed him to focus on developing advanced sensor technologies that enhance engine performance and emissions control.

Collaborations

Throughout his career, Kumazaki has collaborated with talented colleagues, including Shuuichi Nakano and Takahito Masuko. These collaborations have contributed to the advancement of sensor technology and innovation within the automotive industry.

Conclusion

Toshihide Kumazaki's contributions to gas sensor technology exemplify the importance of innovation in the automotive sector. His patent for a gas sensor control apparatus showcases his expertise and commitment to improving engine efficiency and environmental sustainability.