Company Filing History:
12 out of 1,838 
2 out of 36,713 
Years Active: 1980-1985
Title: **The Innovations of Isao Igarashi: Pioneering Two-Stroke Engine Technology**
Introduction
Isao Igarashi, based in Okazaki, Japan, is a prominent inventor known for his significant contributions to engine technology. With a remarkable tally of 14 patents, Igarashi has made notable advancements in the field of two-stroke cycle engines, showcasing his innovative spirit and technical prowess.
Latest Patents
Igarashi's latest inventions highlight his ingenuity and dedication to enhancing engine performance. One of his recent patents focuses on a two-stroke cycle engine that features at least two power cylinder-piston assemblies with horizontally opposed pistons. This design incorporates uniflow scavenging and operates with a 180-degree phase difference between the pistons. Additionally, the engine includes a double-acting scavenging pump cylinder designed to improve efficiency by synchronizing with the power cylinder-piston assemblies.
Another of his recent innovations is a two-stroke cycle gasoline engine that enhances low-load performance via improved scavenging. This engine includes a unique scavenging port configuration that optimizes the uncovering rates of the scavenging ports, leading to better idling performance.
Career Highlights
Igarashi has had a distinguished career, with significant contributions to major automotive manufacturers, particularly Toyota Motor Corporation. His expertise in engine technology has been instrumental in developing advanced engine designs that push the boundaries of performance and efficiency.
Collaborations
Throughout his career, Igarashi has collaborated with esteemed professionals in the field, including Masaaki Noguchi and Yukiyasu Tanaka. These collaborations have fostered a productive environment for innovation and have resulted in groundbreaking advancements in engine technology.
Conclusion
Isao Igarashi's contributions to two-stroke engine technology exemplify the spirit of innovation within the automotive industry. His 14 patents underscore his commitment to enhancing engine performance, proving that his work continues to impact the field significantly. As technology evolves, Igarashi's legacy will likely inspire future inventors and engineers to continue seeking innovative solutions.