Company Filing History:
Years Active: 1979
Title: Fujio Ishikawa: Innovator in Frequency Conversion Technology
Introduction
Fujio Ishikawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of frequency converters. With a total of two patents to his name, Ishikawa's work has advanced the efficiency and functionality of rotary machines.
Latest Patents
Ishikawa's latest patents include the Quadruple Frequency Converter and the Treble Frequency Converter. The Quadruple Frequency Converter is a rotary machine that features a stator equipped with primary and secondary windings, designed with a pole ratio of 1 to 4. This innovative design allows the rotor to produce magnetic flux at the fourth harmonics of the source frequency, generating quadruple frequency power on the secondary winding. The Treble Frequency Converter, on the other hand, consists of a stator and a synchronously rotating rotor. This converter is designed to connect to a polyphase alternating current source, allowing for the extraction of treble frequency power from a secondary winding that has three times as many poles as the primary winding.
Career Highlights
Fujio Ishikawa is currently employed at Toyo Denki Seizo Kabushiki Kaisha, a company known for its advancements in electrical machinery and systems. His work at this organization has allowed him to focus on innovative solutions in frequency conversion technology.
Collaborations
Ishikawa has collaborated with Zenkichi Tsuchiya, a fellow innovator in the field. Their partnership has contributed to the development of advanced technologies in electrical engineering.
Conclusion
Fujio Ishikawa's contributions to frequency conversion technology through his patents and work at Toyo Denki Seizo Kabushiki Kaisha highlight his role as a significant inventor in the field. His innovative designs continue to influence the efficiency of electrical systems.