Shoichiro Emmei

Title: Shoichiro Emmei: Innovator in Gas Sensing Technology

Introduction

Shoichiro Emmei, residing in Nagoya, Japan, is a prominent inventor recognized for his innovative contributions to gas sensing technology. With a total of five patents to his name, Emmei is dedicated to enhancing the precision and efficiency of gas detection systems, an area of significant importance in various industrial applications.

Latest Patents

One of Emmei's latest patents is for a gas sensing element designed to increase response rates. This invention features a measuring gas chamber that admits specific gases, along with a diffusion resistance portion that introduces measuring gases under controlled conditions. Central to this design is a sensor cell that detects the concentration of specified gases and an oxygen pump cell that regulates the oxygen concentration in the measuring gases. The sensor cell employs a measuring electrode opposite the measuring gas chamber, paired with a reference electrode. The oxygen pump cell consists of an inner pump electrode and an outer pump electrode, strategically placed to optimize gas exposure.

Another significant patent by Emmei pertains to a gas sensor control device. This device incorporates a sensor cell with a negative terminal connected to a current-voltage converter. A differential amplifier works with the current-voltage converter to ensure accurate current measurements, which are then relayed to a microcomputer for further processing. The device includes a switch circuit that, when closed, allows for the calibration of the potential difference between the current-voltage converter's terminals, facilitating precise failure detection in the sensor cell.

Career Highlights

Throughout his career, Emmei has worked extensively with leading companies in the automotive and research sectors, including Denso Corporation and Nippon Soken, Inc. His involvement in these organizations has significantly contributed to advancements in sensor technologies and applications.

Collaborations

Emmei has collaborated with other talented professionals in the field, including Katsuhide Akimoto and Keigo Mizutani. Together, they have worked on various projects aimed at enhancing the functionality and reliability of gas sensing technologies, pushing the boundaries of innovation in this area.

Conclusion

Shoichiro Emmei stands out as a significant figure in the realm of gas sensing technology, with several patents that showcase his commitment to innovation. His work not only exemplifies the spirit of invention but also has a profound impact on industries reliant on precise gas detection. Emmei’s contributions will undoubtedly continue to influence advancements in technology for years to come.