Norimitsu Murayama

Title: Norimitsu Murayama: Innovator in Sensor Technology

Introduction

Norimitsu Murayama is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of sensor technology, particularly in the development of advanced oxygen sensors and thermoelectric materials. With a total of 4 patents to his name, Murayama's work has had a notable impact on automotive and sensor applications.

Latest Patents

Murayama's latest patents include a resistive type oxygen sensor and an air/fuel ratio control system utilizing this sensor. This innovative resistance-type oxygen sensor is designed primarily for measuring the oxygen gas partial pressure in automobile exhaust. It features a short output response time to changes in oxygen partial pressure, low resistivity of the oxide semiconductor, and minimal temperature dependence of resistivity. The sensor's detection component comprises an oxide semiconductor that includes cerium and hafnium ions, with specific ratios that enhance its performance.

Another significant patent involves a thermoelectric transducing material thin film, along with its manufacturing method. This invention focuses on an SiGe-based thin film produced through sputtering, which serves as a key component in sensor devices that convert temperature differentials into electric signals. The method enhances the crystallization of the thin film, resulting in improved thermoelectric characteristics.

Career Highlights

Throughout his career, Murayama has worked with esteemed organizations such as the National Institute of Advanced Industrial Science and Technology and the Agency of Industrial Science and Technology. His experience in these institutions has allowed him to advance his research and contribute to the development of innovative technologies.

Collaborations

Murayama has collaborated with notable colleagues, including Woosuck Shin and Noriya Izu. These partnerships have facilitated the exchange of ideas and expertise, further enriching his contributions to the field.

Conclusion

Norimitsu Murayama's work in sensor technology exemplifies the spirit of innovation. His patents reflect a commitment to advancing automotive and sensor applications, making him a significant figure in the field.