Company Filing History:
Years Active: 1996-1998
Title: Koji Ishihara – Innovator of Engine Technology
Introduction
Koji Ishihara is a notable inventor based in Yokosuka, Japan, with a concentration on advancing engine technology. Throughout his career, he has been credited with two innovative patents, showcasing his dedication to improving engine efficiency and emissions control.
Latest Patents
1. **Engine Exhaust Purifier**: Ishihara's first patent involves a sophisticated system where two catalytic converters are strategically placed in series within the engine's exhaust passage. This setup includes a by-pass valve that selectively directs exhaust flow, optimizing temperature management within the converters to prevent inefficiency during operation. By storing specific temperature thresholds based on engine conditions, this patent cleverly circumvents the hunting behavior of the by-pass valve, ensuring smoother operation.
2. **Engine Fuel Injection Controller**: His second patent focuses on overcoming delays in fuel flow within the engine intake. By categorizing these delays into short-term and long-term variations, Ishihara's invention improves the accuracy of fuel injection during transient conditions. Additionally, it introduces a mechanism for estimating fuel spray particle diameters, allowing for real-time adjustments to optimize the air-fuel ratio and enhance engine performance.
Career Highlights
Koji Ishihara has had a significant impact on the automotive industry through his work with Nissan Motor Company Limited. His innovative approach to solving technical challenges related to engine performance has positioned him as a leading figure in the field.
Collaborations
Throughout his career, Ishihara has collaborated with notable colleagues such as Satoshi Samejima and Hirofumi Tsuchida. These partnerships have further contributed to the development of groundbreaking technologies in automotive engineering.
Conclusion
Koji Ishihara's contributions to engine technology through his patents reflect his commitment to improving efficiency and reducing emissions in vehicles. His work continues to influence the automotive industry, providing inspiration for future innovations.