Company Filing History:
5 out of 36,653 
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1 out of 3,252 Years Active: 1981-1985
Title: Kiyoshi Isogai: Innovator in Turbocharger Technology
Introduction
Kiyoshi Isogai is a prominent inventor based in Toyota, Japan, known for his contributions to turbocharger technology. With a total of eight patents to his name, Isogai has made significant advancements in the field of automotive engineering. His innovative designs focus on improving the efficiency and functionality of turbochargers, which are essential components in modern vehicles.
Latest Patents
One of Isogai's latest patents is the "Turbocharger lubricating oil sealing method." This invention features a lubricating oil sealing apparatus designed for turbochargers, which includes a compressor wheel that supplies supercharged air through an intake passage and a turbine wheel driven by exhaust gas. The apparatus is strategically located between the compressor and turbine wheels, incorporating a labyrinth structure to prevent lubricating oil from being suctioned into the intake passage.
Another notable patent is the "Elastic supporting and sealing member with thermal foaming strip." This invention consists of an elastic supporting and sealing member that mutually supports two bodies while sealing the gap between them. It includes a first and second portion of wire net and a piece of thermal foaming material that expands when heated. The manufacturing process involves flattening a tubular piece of wire net and introducing the thermal foaming material between the two sides, ensuring alignment in their longitudinal directions.
Career Highlights
Kiyoshi Isogai has had a distinguished career, primarily working with Toyota Motor Corporation. He has been associated with Toyota Jidosha Kabushiki Kaisha and Toyota Jidosha Kogyo Kabushiki Kaisha, where he has contributed to various innovative projects and developments in automotive technology.
Collaborations
Throughout his career, Isogai has collaborated with notable colleagues, including Naka Takita and Ituo Koga. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.
Conclusion
Kiyoshi Isogai's contributions to turbocharger technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to enhancing vehicle performance and efficiency, solidifying his reputation as a leading inventor in the automotive industry.