Location History:
- Hitachi, JP (1978)
- Hitachi, JA (1978)
- Ibaraki, JP (1981)
Company Filing History:
Years Active: 1978-1981
Title: Fumio Ogata: Innovator in Electrical Engineering
Introduction
Fumio Ogata, an esteemed inventor based in Hitachi, Japan, has made notable contributions to the field of electrical engineering. With three patents to his name, Ogata continues to push the boundaries of innovation, particularly in direct current detection and thyristor valve control.
Latest Patents
Ogata's latest patents showcase his expertise and innovation. The first patent is a Direct Current Detecting Device Using Saturable Reactors. This device incorporates two pairs of saturable cores that enclose a conductor carrying the direct current to be measured. With bias, feedback, and output windings on each core, the system enables precise measurement of current flow through amplifier configurations and diode circuitry.
His second patent, a Gate Controlling Apparatus for a Thyristor Valve, includes a series of thyristors controlled by a narrow gate pulse. This apparatus integrates several components to determine the conductive state of the thyristor valve, with advanced detection mechanisms for forward and inverse voltages. The innovations outlined in both patents demonstrate Ogata's commitment to enhancing electrical system efficiency and reliability.
Career Highlights
Fumio Ogata currently works at Hitachi, Ltd., a company renowned for its advancements in technology and engineering solutions. His role in developing critical electrical devices is central to the company's mission to foster innovation. Ogata's patents not only reflect his innovative capabilities but also highlight the importance of advancing electrical engineering technologies.
Collaborations
Throughout his career, Fumio has collaborated with fellow inventors such as Ryuji Iyotani and Atsumi Watanabe. These partnerships have enabled the exchange of ideas and expertise, contributing to the successful development of innovative electrical solutions.
Conclusion
Fumio Ogata stands out as a pivotal figure in the realm of electrical innovation. His contributions have significantly progressed the technology involved in current detection and thyristor control. As he continues to work at Hitachi, Ltd., the impact of his inventions is likely to inspire future advancements in the field.