Location History:
- Susono, JP (2005 - 2011)
- Toyota, JP (2015 - 2022)
Company Filing History:
Years Active: 2005-2022
Title: Osamu Igarashi: Innovator in Turbocharger Technology
Introduction
Osamu Igarashi, an accomplished inventor based in Susono, Japan, holds a remarkable portfolio of 11 patents. His work primarily focuses on advanced turbocharger technologies that enhance engine performance and efficiency. As a key innovator at Toyota Jidosha Kabushiki Kaisha, Igarashi's contributions have significantly impacted automotive engineering.
Latest Patents
Igarashi's latest patented innovations include a sophisticated turbocharger design. This turbocharger features a turbine housing with a strategically defined bypass passage. It connects the upstream and downstream sections of an exhaust passage enabling efficient control over exhaust flow. A wastegate, which selectively manages the bypass passage, is incorporated into the turbine housing. The innovative design includes a valve seat at the bypass opening, complemented by an abradable portion adhering to the wastegate. This element deforms to match the valve seat, ensuring effective sealing when the bypass passage transitions from an open to a fully closed state.
Another noteworthy patent revolves around the wastegate valve of the turbocharger. This design consists of a swing arm, shaft, and lever with an insertion hole. It includes a valve body with a valve shaft and plate, as well as a support plate that secures portions of the valve shaft. An elastic member is strategically placed between components, enhancing the overall reliability of the system. The unique configuration of this elastic member provides better function and durability.
Career Highlights
Throughout his career at Toyota, Osamu Igarashi has been recognized for his innovative thinking and problem-solving abilities. His contributions not only elevate the performance standards of turbochargers but also demonstrate his deep understanding of automotive technologies. Igarashi's work has led to significant advancements in fuel efficiency and emissions reduction, aligning well with global automotive trends.
Collaborations
Osamu has collaborated closely with talented engineers like Masakazu Tabata and Koichi Akita. Their teamwork has been pivotal in developing groundbreaking automotive solutions that push the boundaries of conventional engineering. These collaborations have resulted in patents that have strengthened Toyota's position as a leader in the automotive industry.
Conclusion
Osamu Igarashi is a prominent figure in the realm of automotive innovations, particularly in turbocharger technology. His dedication to enhancing engine performance through his 11 patents is a testament to his skills as an inventor. As he continues to push the limits of automotive engineering, Igarashi remains a vital asset to Toyota Jidosha Kabushiki Kaisha and the broader automotive community.