Location History:
- Utsunomiya, JP (2013 - 2017)
- Tochigi, JP (2016 - 2018)
- Saitama, JP (2018)
Company Filing History:
4 out of 560 
3 out of 90,809 
1 out of 29 
Years Active: 2013-2018
Title: Mitsuo Hirata: Innovator in Electric Control Systems
Introduction
Mitsuo Hirata is a prominent inventor based in Utsunomiya, Japan. He has made significant contributions to the field of electric control systems, holding a total of 7 patents. His work focuses on enhancing the efficiency and performance of electric compressors and vehicles.
Latest Patents
One of Hirata's latest patents is a control device for an electric compressor. This device successfully manages the drive motor of the compressor, even under complex load fluctuations, by utilizing a sensorless control method. The control device features a repetitive control portion that minimizes the rotation speed difference between the target and estimated speeds. Additionally, it includes a pressure detecting portion and a reset signal generation portion that calculates the timing of compressor rotations based on pressure values.
Another notable patent is a driving force controller for electric vehicles. This controller employs a feed-forward compensator to compute a second target driving force, effectively suppressing overshooting of the actual driving force requested by the driver. The system incorporates transfer functions that express the relationship between input target driving force and actual output, ensuring a smooth driving experience.
Career Highlights
Hirata has worked with notable companies such as Calsonic Kansei Corporation and Canon Inc. His experience in these organizations has allowed him to develop innovative solutions that address real-world challenges in electric control systems.
Collaborations
Throughout his career, Hirata has collaborated with talented individuals, including Kensuke Osamura and Yousuke Ooneda. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Mitsuo Hirata's contributions to electric control systems demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving the functionality of electric compressors and vehicles, making a lasting impact in the field.