Location History:
- Katano, JA (1978)
- Katano, JP (1987 - 1988)
- Osaka, JP (1987 - 1990)
Company Filing History:
Years Active: 1978-1990
Title: Nobuho Shibata: Innovator in Motor Control Technology
Introduction
Nobuho Shibata is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of motor control technology, holding a total of 9 patents. His work has been instrumental in advancing the efficiency and functionality of various motor systems.
Latest Patents
One of his latest patents is an apparatus for controlling an AC servo motor. This innovative device is designed to manage the rotational speed of a synchronous motor driven by an inverter. The apparatus includes a current detector that monitors the input current to the inverter. When the current exceeds a predetermined value, the energization of the switches is interrupted using an output from a first timer circuit. Additionally, a second timer circuit is implemented to interrupt the energization of the switches during phase transitions of the motor. The duration of interruption by the second timer can be adjusted based on the motor's rotational speed and its plugging state. Another notable invention is a motor controller that enhances the performance and reliability of motor operations.
Career Highlights
Nobuho Shibata is associated with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His work at this organization has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for technological excellence.
Collaborations
Throughout his career, Nobuho has collaborated with notable colleagues, including Kenichi Ohara and Takashi Dohi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in motor control.
Conclusion
Nobuho Shibata's contributions to motor control technology exemplify his innovative spirit and dedication to advancing engineering solutions. His patents reflect a commitment to improving the efficiency and functionality of motor systems, making a lasting impact in the field.