Location History:
- Toyota, JP (2014)
- Konan, JP (2020)
- Kounan, JP (2021 - 2023)
- Aichi-ken, JP (2023)
Company Filing History:
3 out of 36,499 
3 out of 19,697 
Years Active: 2014-2023
Title: The Innovative Contributions of Yoshihiro Shamoto
Introduction
Yoshihiro Shamoto is a notable inventor based in Kounan, Japan. He has made significant contributions to the field of electric motor control, holding a total of five patents. His work has been instrumental in advancing technologies related to motor control devices and drive systems.
Latest Patents
One of his latest patents is an electric motor control device. This device includes an electronic control unit that performs switching control of a switching element of an inverter in PWM control mode when the modulation degree is less than a first predetermined value. It also performs switching control in square wave control mode when the modulation degree is greater than or equal to a second predetermined value. Additionally, it operates in intermediate control mode when the modulation degree is between the first and second predetermined values. The intermediate control mode utilizes a unique switching pattern that adjusts based on the phase current crossing zero. Another significant patent is related to a drive device. This device employs a square wave control mode when the voltage acting on the inverter is equal to or higher than the threshold voltage. Conversely, when the voltage is lower than the threshold, it uses a square wave pulse pattern based on the motor's rotation speed.
Career Highlights
Yoshihiro Shamoto has had a distinguished career, working with prominent companies such as Toyota Motor Corporation and Denso Corporation. His experience in these leading automotive firms has allowed him to develop innovative solutions that enhance motor control technologies.
Collaborations
Throughout his career, Shamoto has collaborated with talented individuals, including Hiroyuki Oyanagi and Kazuhito Hayashi. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Yoshihiro Shamoto's contributions to electric motor control and drive systems highlight his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology in the automotive industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.