Company Filing History:
Years Active: 1986-1995
Title: Isao Nishida: Innovator in Electrical Power Systems
Introduction
Isao Nishida is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical power systems, holding a total of 5 patents. His work focuses on enhancing the efficiency and safety of electrical power supply systems.
Latest Patents
One of Nishida's latest patents is an electrical power supply system that includes an electrical power source system connected to a bus bar and multiple electric power transmission systems. Each transmission system is connected via circuit breakers to the bus bar. This innovative supply system incorporates overvoltage suppression equipment installed between the transmission system and the ground. The overvoltage suppression equipment features a switching device and an impedance connected to the switching device. This design effectively suppresses overvoltage occurrences in sound transmission systems when circuit breakers operate in faulty transmission systems.
Another notable patent is a circuit breaker with a parallel resistor. This invention fulfills the requirements for a resistance circuit while maintaining a simple structure. It addresses the dielectric strength and pre-arcing characteristics between electrodes. The resistance circuit making contact and the resistance circuit breaking contact are electrically connected in parallel, ensuring that the system remains functional even after the opening of the resistance circuit making contact.
Career Highlights
Isao Nishida is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has significantly impacted the development of electrical power systems, showcasing his expertise and commitment to advancing technology.
Collaborations
Nishida has collaborated with notable coworkers, including Yukio Kurosawa and Osamu Koyanagi. Their combined efforts have contributed to the success of various projects within the company.
Conclusion
Isao Nishida's contributions to electrical power systems through his innovative patents demonstrate his expertise and dedication to the field. His work continues to influence advancements in technology and safety in electrical systems.