Location History:
- Tokyo, JP (2009 - 2015)
- Chiyoda-ku, JP (2015)
Company Filing History:
Years Active: 2009-2015
Title: Haruhiko Koyama: Innovator in Electrical Engineering
Introduction
Haruhiko Koyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced circuit breakers and inrush-current suppressing devices. With a total of 8 patents to his name, Koyama's work has had a substantial impact on the industry.
Latest Patents
Koyama's latest patents include a gas circuit breaker that features a sealed tank containing first and second conductor containers filled with insulating gas. This innovative design incorporates a fixed arcing contact and a movable arcing contact, allowing for efficient operation and safety. Another notable patent is an inrush-current suppressing device that calculates residual magnetic flux within a three-phase transformer. This device optimizes the closing order of phases in a three-phase breaker, enhancing performance and reliability.
Career Highlights
Koyama is currently employed at Mitsubishi Electric Corporation, where he continues to push the boundaries of electrical engineering. His work has been recognized for its technical excellence and practical applications in various electrical systems.
Collaborations
Throughout his career, Koyama has collaborated with esteemed colleagues such as Tomohito Mori and Sadayuki Kinoshita. These partnerships have fostered innovation and contributed to the successful development of groundbreaking technologies.
Conclusion
Haruhiko Koyama's contributions to electrical engineering exemplify the spirit of innovation. His patents and collaborative efforts continue to shape the future of the industry.