Location History:
- Aichi, JP (1984)
- Chiryu, JP (1983 - 1985)
Company Filing History:
2 out of 1,838 
2 out of 36,721 
1 out of 1,139 
Years Active: 1983-1985
Title: **Innovator Profile: Mari Okazaki**
Introduction
Mari Okazaki, an accomplished inventor based in Chiryu, Japan, has made significant contributions to the field of sensor technology. With a total of four patents to her name, she has demonstrated exceptional innovation, particularly in the development of oxygen sensors. Her work combines advanced materials science with practical applications, showcasing her expertise in the field.
Latest Patents
Among her notable inventions, her latest patents include:
1. **Oxygen Sensor Element** - This patent describes an oxygen sensor element featuring an oxygen ion-permeable solid electrolyte with a unique tabular or columnar shape. The design incorporates electrode layers constructed from a fired body that combines metal and glass in specific ratios. The composition includes materials such as SiO2, ZrO2, and Al2O3, which contribute to the sensor's performance and reliability.
2. **Limiting Electric Current Type Oxygen Concentration Detector** - This innovation involves a detector equipped with an oxygen concentration sensor and an oxygen ionic conductor. It features a cathode and an anode on opposite sides, with a layer regulating oxygen gas diffusion. The design benefits from a temperature compensation mechanism that adjusts the output based on the internal resistance of the sensor, enhancing accuracy in various conditions.
Career Highlights
Mari Okazaki’s career includes significant positions at Toyota Motor Corporation, where she has contributed to advancements in automotive sensor technology. Her work has helped improve the precision and efficiency of oxygen detection systems, which are vital in various applications including automotive emissions control.
Collaborations
Throughout her career, Okazaki has collaborated with notable colleagues such as Toshinobu Furutani and Yoshio Torisu. These partnerships have fostered a creative environment leading to the development of cutting-edge technologies in her field.
Conclusion
Mari Okazaki is a pioneering inventor whose work in oxygen sensor technology highlights the impact of innovation in environmental and automotive applications. Her patents not only demonstrate her technical skills but also reflect her commitment to improving the efficiency of detection systems. As she continues to innovate, her contributions are likely to influence the future of sensor technology significantly.