Location History:
- Aichi, JP (1992 - 1993)
- Nishikasugai, JP (1995)
Company Filing History:
3 out of 3,252 
1 out of 193 
Years Active: 1992-1995
Title: Kazumi Ishida: Innovator in Air-Fuel Ratio Control Technology
Introduction
Kazumi Ishida is a notable inventor based in Aichi, Japan. She has made significant contributions to the field of internal combustion engine technology, particularly in air-fuel ratio control systems. With a total of 3 patents to her name, her work has had a considerable impact on improving engine efficiency and reducing emissions.
Latest Patents
Kazumi Ishida's latest patents include an air-fuel ratio control apparatus for an internal combustion engine. This innovative apparatus features a catalytic converter in the exhaust system, along with two oxygen density sensors that detect the air-fuel ratio conditions. The first sensor is positioned upstream and is responsible for determining whether the engine is operating in a rich or lean condition. The second sensor, located downstream, further refines this detection. The control portion of the apparatus adjusts the air-fuel ratio based on the readings from both sensors, ensuring optimal engine performance.
Another significant patent is the air-fuel ratio feedback control apparatus for a gas engine. This system includes a mixer that combines intake air and fuel gas, along with oxygen concentration sensors that monitor exhaust gas. The apparatus is designed to maintain the desired air-fuel ratio even when the fuel gas supply varies, showcasing Ishida's commitment to enhancing engine functionality.
Career Highlights
Kazumi Ishida has worked with prominent companies such as Nippondenso Co., Ltd. and Tokyo Gas Company Limited. Her experience in these organizations has allowed her to develop and refine her innovative technologies, contributing to advancements in the automotive and gas industries.
Collaborations
Kazumi has collaborated with notable colleagues, including Hiroshi Haraguchi and Toshio Kondo. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in air-fuel ratio control.
Conclusion
Kazumi Ishida's contributions to air-fuel ratio control technology demonstrate her expertise and innovative spirit. Her patents reflect a commitment to improving engine efficiency and reducing environmental impact. Through her work, she continues to influence the future of internal combustion engine technology.