Location History:
- Yokohama, JP (2012)
- Izumi-ku, JP (2012)
- Kanagawa-ken, JP (2014)
Company Filing History:
Years Active: 2012-2014
Title: Hiroshi Kusuyama: Innovator in Over-voltage and Magnetizing Inrush Current Suppression
Introduction
Hiroshi Kusuyama is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of devices that enhance the safety and efficiency of power systems. With a total of 3 patents to his name, Kusuyama's work is recognized for its innovative approaches to common electrical challenges.
Latest Patents
Kusuyama's latest patents include an over-voltage suppression apparatus and a magnetizing inrush current suppression device for transformers. The over-voltage suppression apparatus is designed to mitigate overvoltage that occurs when circuit breakers are activated after being turned off. This device measures voltage waveforms on both the power source and transmission line sides, extracting specific frequency components to ensure safe operation.
The magnetizing inrush current suppression device addresses the inrush current that occurs when energizing a three-phase transformer. This method allows for the simultaneous operation of three single-phase circuit breakers without the need for additional resistors or equipment. By calculating the steady-state magnetic flux and the residual magnetic flux for each phase, the device ensures that the circuit breakers close in a manner that prevents excessive inrush currents.
Career Highlights
Hiroshi Kusuyama is currently employed at Kabushiki Kaisha Toshiba, a leading company in the technology and electronics sector. His work at Toshiba has allowed him to apply his innovative ideas in practical applications, contributing to the advancement of electrical engineering solutions.
Collaborations
Kusuyama has collaborated with notable colleagues such as Minoru Saito and Yoshimasa Sato. Their teamwork has fostered an environment of innovation and creativity, leading to the development of effective solutions in their field.
Conclusion
Hiroshi Kusuyama's contributions to electrical engineering through his patents demonstrate his commitment to innovation and safety in power systems. His work continues to influence the industry, making significant strides in the management of electrical challenges.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.