This inventor holds 3 USPTO granted patents. Top assignees: Nec Corporation, Kabushiki Kaisha Toshiba. Active years: 1986-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1986-1995
Title: The Innovations of Rikio Sato
Introduction
Rikio Sato is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced relay systems and key telephone systems. With a total of 3 patents to his name, Sato's work reflects a commitment to innovation and technological advancement.
Latest Patents
One of Rikio Sato's latest patents is the Negative-sequence time-overcurrent relay. This invention is designed for use in polyphase synchronous rotary electric machines, featuring a main-circuit breaker and an exciting circuit. The relay includes a first unit for extracting fundamental-wave and harmonic components from a given electric parameter for each phase. It also has a second unit for extracting fundamental-wave negative sequence current, along with several calculating and adding units that work together to determine the protection status of the electric machine.
Another significant patent is the Key telephone system. This system comprises multiple key telephone stations, with at least one station capable of functioning as a control station. It includes CO buttons for specifying CO/PBX lines and DSS buttons for intercom designations. The system is equipped with a switching network and a control unit that manages the operations based on data stored in a memory unit. This innovative design allows for efficient management of CO line information and intercom functionalities.
Career Highlights
Rikio Sato has worked with prominent companies such as NEC Corporation and Kabushiki Kaisha Toshiba. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.
Collaborations
Some of his notable coworkers include Kazuyuki Nagatomi and Kazuhiro Suzuki. Their collaborations have likely fostered an environment of creativity and technological advancement.
Conclusion
Rikio Sato's contributions to the field of electrical engineering through his patents and career achievements highlight his role as an influential inventor. His work continues to impact the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile