This inventor holds 1 USPTO granted patent. Top assignee: Nissan Motor Company Limited. Active years: 1996.
Company Filing History:
Years Active: 1996
Title: Hiroko Hishinuma: Innovator in Fuel Injection Technology
Introduction
Hiroko Hishinuma is a notable inventor based in Yokohama, Japan. She has made significant contributions to the field of fuel injection technology. Her innovative approach has led to the development of a unique fuel injection valve that enhances the efficiency of fuel atomization.
Latest Patents
Hishinuma holds a patent for a fuel injection valve. This valve includes a valve body that supplies liquid to be injected. A nozzle tip is connected to the end portion of the valve body. A valve member is installed within the valve body to control the supply of liquid to the nozzle tip. The nozzle tip features first and second nozzle holes designed to ensure that fluid injected through the first hole collides with fluid from the second hole. This design allows for a specific ratio between the square roots of the cross-sectional areas of the nozzle holes, ranging from 1.25 to 3.5. As a result, the collided fuel is effectively atomized due to a resonance phenomenon created by the collision.
Career Highlights
Hiroko Hishinuma is currently employed at Nissan Motor Company Limited. Her work at Nissan has allowed her to apply her innovative ideas in a practical setting, contributing to advancements in automotive technology.
Collaborations
Some of her notable coworkers include Ken Naitoh and Akihiro Iiyama. Their collaboration has fostered a creative environment that encourages innovation and the development of new technologies.
Conclusion
Hiroko Hishinuma is a pioneering inventor whose work in fuel injection technology has made a significant impact in the automotive industry. Her innovative designs and collaborative efforts continue to drive advancements in fuel efficiency and performance.