This inventor holds 2 USPTO granted patents. Top assignee: Otis Elevator Company. Active years: 1994-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1994-1998
Title: Michio Goto: Innovator in Elevator Technology
Introduction
Michio Goto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of elevator technology, holding 2 patents that enhance the efficiency and safety of elevator systems. His work is primarily associated with the Otis Elevator Company, a leader in the elevator manufacturing industry.
Latest Patents
One of Goto's latest patents is an elevator speed control circuit. This invention features a proportional and integral speed amplifier that responds to the deviation between a speed command and the actual motor speed. It includes a car motion feedback circuit that amplifies the difference between the speed command and actual car speed, extracting car vibration characteristics through a band-pass filter. The invention also incorporates a load torque predictor that estimates load torque to improve speed feedback characteristics and suppress external disturbances effectively.
Another significant patent is the operation check device for a dynamic brake circuit in elevators. This invention detects the voltage or current of a dynamic brake regenerative circuit to ensure its proper functioning. It automatically checks the operation of the dynamic brake circuit before the elevator operates, preventing potential issues caused by unabsorbed regenerative electrical power.
Career Highlights
Throughout his career, Michio Goto has been dedicated to advancing elevator technology. His innovative solutions have contributed to safer and more efficient elevator systems, reflecting his commitment to engineering excellence.
Collaborations
Goto has collaborated with notable colleagues, including Kazuya Ogura and Yasuhiro Yoshida. Their teamwork has fostered an environment of innovation and creativity within the Otis Elevator Company.
Conclusion
In summary, Michio Goto is a distinguished inventor whose work in elevator technology has led to significant advancements in the industry. His patents demonstrate a deep understanding of engineering principles and a commitment to improving safety and efficiency in elevator systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile