Tooru Katafuchi

Title: Tooru Katafuchi: Innovator in Gas Sensor Technology

Introduction

Tooru Katafuchi is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of gas sensor technology, holding a total of 4 patents. His innovative approaches have paved the way for advancements in automotive sensor applications.

Latest Patents

Katafuchi's latest patents include a method of producing a gas sensor element and an oxygen sensor element. The method of producing a gas sensor element involves a solid electrolyte body, a target gas electrode, and a reference gas electrode. This manufacturing process exposes the gas sensor element to a gas atmosphere containing hydrocarbon gas, CO gas, and H gas while applying an AC voltage to the electrodes. Each electrode consists of multiple crystal grains defined by grain boundaries, enhancing the sensor's performance. The oxygen sensor element is designed to measure the concentration of oxygen in exhaust gases from automotive internal combustion engines. It features a solid electrolyte body, target gas electrode, reference gas electrode, and a catalytic layer made of heat-resisting ceramic grains. This design improves the accuracy of sensor output across a wide temperature range.

Career Highlights

Tooru Katafuchi has dedicated his career to advancing gas sensor technology. His work at Denso Corporation has been instrumental in developing innovative solutions for automotive applications. His patents reflect his commitment to enhancing sensor accuracy and reliability.

Collaborations

Katafuchi has collaborated with notable colleagues, including Namitsugu Fujii and Yasumichi Hotta. Their combined expertise has contributed to the success of various projects within the field of gas sensors.

Conclusion

Tooru Katafuchi's contributions to gas sensor technology exemplify his innovative spirit and dedication to improving automotive sensor applications. His patents and collaborations highlight his significant impact on the industry.