This inventor holds 2 USPTO granted patents. Top assignee: Fuji Electric Fa Components & Systems Co., Ltd.. Active years: 2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2008
Title: Hideki Ishido: Circuit Breaker Handle Device Inventor
Introduction
Hideki Ishido is an inventor based in Otawara, Japan. His patent work focuses on external operation handle devices for circuit breakers, including mechanisms for operating, locking, and indicating the status of electrical equipment. He is associated with Fuji Electric FA Components & Systems Co., Ltd. His listed portfolio includes 2 patents.
Latest Patents
Ishido’s listed patents address external handle devices that connect a circuit breaker’s operation to its surrounding enclosure and provide clear operating feedback.
- External Operation Handle Device. This device combines a rotary handle, a handle lock lever, a drive mechanism linked to the circuit breaker’s operating handle, and a door lock lever. When the rotary handle reaches the OPEN position, the board door is unlocked. The design holds the handle lock lever in a pulled-out position and the door lock lever in an unlocked position, coordinating access to the board with the breaker’s operating state.
- External Operation Handle Device for a Circuit Breaker. This design includes a casing, a mount base, and a rotary handle grip with a connecting shaft for switching the breaker between ON and OFF. An assist mechanism moves the grip to a TRIP indication position when the breaker trips. The mechanism uses a cam, a sliding cam follower, and an urging spring to guide and bias the grip.
Career Highlights
Ishido’s described inventions focus on practical features for circuit breaker operation, including coordinated door locking and visible trip indication. These mechanisms are designed to link the handle’s position with the breaker’s status and the accessibility of the electrical board.
Collaborations
Ishido is associated with Fuji Electric FA Components & Systems Co., Ltd. His listed coworkers include Takeshi Emura and Makoto Osawa.
Conclusion
Hideki Ishido’s patent work centers on external circuit breaker handle devices that coordinate switching, enclosure access, and trip-status indication.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile