This inventor holds 2 USPTO granted patents. Top assignees: Kabushiki Kaisha Meidensha, Otis Elevator Company. Active years: 1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nagoya, JP (1998)
- Tokyo, JP (1998)
Company Filing History:
Years Active: 1998
Title: Kazuya Ogura: Innovator in Elevator Control Systems
Introduction
Kazuya Ogura is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of elevator control systems, holding a total of 2 patents. His work focuses on enhancing the efficiency and safety of elevator operations.
Latest Patents
Ogura's latest patents include an innovative elevator speed control circuit. This circuit features a proportional and integral speed amplifier that responds to the deviation between the speed command and the actual motor speed. It incorporates 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. Additionally, it employs a load torque predictor that estimates load torque to improve speed feedback characteristics and suppress external disturbances.
Another significant patent is the inertia lowering control apparatus designed for a two-mass inertia system. This system aims to suppress axially torsional vibrations occurring on a flexible drive shaft connected between a motor and its load. The invention includes a first-order lag filter that serves as a disturbance suppression circuit, demonstrating remarkable effectiveness in vibration suppression.
Career Highlights
Throughout his career, Kazuya Ogura has worked with prominent companies in the elevator industry, including Otis Elevator Company and Kabushiki Kaisha Meidensha. His experience in these organizations has contributed to his expertise in elevator technology and control systems.
Collaborations
Ogura has collaborated with notable colleagues such as Yasuhiro Yoshida and Michio Goto. Their combined efforts have further advanced the innovations in elevator control systems.
Conclusion
Kazuya Ogura's contributions to elevator technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the efficiency and safety of elevator systems worldwide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile