This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Aw Co., Ltd.. Active years: 2011-2026.
Location History:
- Okazaki, JP (2011)
- Toyota, JP (2011 - 2014)
Company Filing History:
4 out of 38,774 
2 out of 2,064 
Years Active: 2011-2026
Title: Yumi Iraha: Innovating the Future of Hybrid Vehicles
Introduction
Yumi Iraha, a talented inventor based in Toyota, Japan, has made significant contributions to the field of hybrid vehicle technology. With a total of three patents to her name, Yumi is dedicated to advancing the efficiency and functionality of vehicles in an increasingly eco-conscious world.
Latest Patents
Yumi Iraha's latest innovations include a control apparatus for hybrid vehicles. This invention consists of a hybrid vehicle that incorporates drive sources such as an internal combustion engine, supplied with fuel from a fuel tank, and a second motor/generator (M/G) that utilizes electricity stored in a battery. Additionally, her work integrates a battery charger that allows for external charging of the battery. Yumi's apparatus is designed to track the history of refueling times and amounts, facilitating accurate calculations of fuel deterioration in the tank.
Another notable patent involves a driving device for motor vehicles equipped with innovative control methods. In this design, Yumi proposes a process that starts the engine to activate a mechanical oil pump. This pump ensures a continuous flow of lubricating oil to critical components of the transmission. An electric oil pump also aids in this process, and a braking mechanism is employed in a semi-engagement state. This arrangement effectively boosts heat generation by the motor, leading to a prompt rise in the temperature of the lubricating oil.
Career Highlights
Yumi has had an impactful career working for renowned companies, including Toyota Motor Corporation and Aisin Aw Co., Ltd. Her experiences at these leading automotive manufacturers have provided her with the platform to explore her inventive ideas and implement them into practical applications.
Collaborations
Throughout her career, Yumi Iraha has collaborated with distinguished colleagues, including Masatoshi Adachi and Satoru Wakuta. Working alongside such talented individuals has fueled her creativity and contributed to the ongoing advancements in hybrid technology.
Conclusion
Yumi Iraha is a remarkable inventor whose innovative spirit is paving the way for the future of hybrid vehicles. With her continued dedication to her work and constant collaboration with other professionals in the field, she is sure to leave a lasting legacy in the automotive industry.