Company Filing History:
Years Active: 2006-2007
Title: Chiharu Katsuyama: Innovator in Air/Fuel Ratio Detection Technology
Introduction
Chiharu Katsuyama is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of air/fuel ratio detection technology. With a total of 2 patents to his name, Katsuyama's work is recognized for its innovative approach to improving gas detection systems.
Latest Patents
Katsuyama's latest patents include two distinct air/fuel ratio detection apparatuses. The first invention features a heater portion with an elongate cylindrical shape, which heats by applying electricity from outside. It includes a solid electrolyte layer that conducts oxygen ions when activated by heat. The apparatus also has first and second electrodes that apply a pumping voltage to the solid electrolyte layer, along with a reference electrode that outputs an air/fuel ratio detection signal. A diffusion layer made of porous material surrounds the solid electrolyte layer, covering the electrodes.
The second patent also relates to an air/fuel ratio detection apparatus for gas. This design includes a heater portion, a solid electrolyte layer, and a first electrode positioned between the heater and the solid electrolyte layer. It features second and third electrodes in contact with the outer surface of the solid electrolyte layer, along with voltage applying devices for both the first and second electrodes. A diffusion layer made of porous material is included to adjust the transmission of gas to the second electrode.
Career Highlights
Chiharu Katsuyama is currently employed at Hitachi, Ltd., where he continues to develop innovative technologies. His work has significantly impacted the field of gas detection, enhancing the efficiency and accuracy of air/fuel ratio measurements.
Collaborations
Katsuyama has collaborated with notable coworkers, including Shigeo Isitani and Futoshi Ichiyanagi. Their combined expertise has contributed to the advancement of technologies in their field.
Conclusion
Chiharu Katsuyama is a distinguished inventor whose contributions to air/fuel ratio detection technology have made a lasting impact. His innovative patents and collaborations reflect his commitment to advancing the field.