Location History:
- Toyota, JP (2000)
- Chiryu, JP (2002 - 2012)
Company Filing History:
Years Active: 2000-2012
Title: Yasuo Shirai: Innovator in Hybrid Drive Technology
Introduction
Yasuo Shirai is a notable inventor based in Chiryu, Japan. He has made significant contributions to the field of automotive technology, particularly in hybrid drive systems. With a total of 5 patents to his name, Shirai's work has had a considerable impact on the efficiency and functionality of automatic transmission systems.
Latest Patents
One of Shirai's latest patents is a hybrid drive device. This innovative device features a motor generator positioned on a power transmission path between an engine and an automatic transmission apparatus. It includes a fluid clutch with a pump impeller and a turbine impeller, which work together to transmit rotational force effectively. The design also incorporates a clutch mechanism that allows for the establishment and interruption of power transmission, along with an oil pump that generates hydraulic pressure for the automatic transmission apparatus.
Another significant patent is a control apparatus for managing shift operations in automatic transmissions. This apparatus utilizes a disengaging side controlling device that performs feedback control to match a calculated slip amount with a target slip amount. The system is designed to minimize shift shock and enhance the overall driving experience by maintaining optimal torque transmission during gear shifts.
Career Highlights
Yasuo Shirai is currently employed at Aisin Seiki Kabushiki Kaisha, a leading company in the automotive parts industry. His work at Aisin has allowed him to focus on developing advanced technologies that improve vehicle performance and efficiency. Shirai's innovative spirit and technical expertise have positioned him as a key player in the automotive engineering field.
Collaborations
Throughout his career, Shirai has collaborated with talented individuals such as Akira Aikawa and Hiroaki Kato. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the automotive sector.
Conclusion
Yasuo Shirai's contributions to hybrid drive technology and automatic transmission systems exemplify his dedication to innovation in the automotive industry. His patents reflect a commitment to enhancing vehicle performance and efficiency, making him a significant figure in the field.