This inventor holds 6 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Hitachi Energy Ltd, Hitachi Energy Switzerland Ag. Active years: 2022-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2022-2026
Title: The Innovative Mind of Ying-Jiang Hafner
Introduction
Ying-Jiang Hafner is a prominent inventor based in Ludvika, Sweden. With a total of three patents to his name, Hafner has made significant contributions to the field of electrical engineering, particularly in the development of advanced converter technologies.
Latest Patents
Hafner's latest patents showcase his innovative approach to modular multilevel converters (MMC) and high voltage direct current (HVDC) transmission systems. One of his notable patents, titled "Modular MMC Phase Arm and Control Thereof," introduces a method for controlling a plurality of converter cells in a phase arm of an MMC. This method involves dividing a main reference into parts and operating multiple modulators in parallel to control respective groups of converter cells. Additionally, he has developed an "Energy Supporting Device" for HVDC transmission systems, which includes a series of interconnected cells designed to efficiently manage energy flow, allowing for charging, dissipation, and energy release modes.
Career Highlights
Hafner's professional journey includes significant roles at leading companies in the energy sector, such as Hitachi Energy Ltd. and Hitachi Energy Switzerland AG. His work at these institutions has been instrumental in advancing technologies that improve energy efficiency and reliability in power systems.
Collaborations
Throughout his career, Hafner has collaborated with talented professionals such as Jimmy Öhman and Christer Sjöberg. These partnerships have fostered a creative environment where innovative ideas can flourish and lead to groundbreaking inventions in the electrical engineering domain.
Conclusion
Ying-Jiang Hafner stands out as an influential inventor whose work continues to shape the future of energy transmission and conversion systems. His patents not only reflect his technical expertise but also his commitment to advancing technology in a sustainable and efficient manner. With each innovative contribution, Hafner inspires the next generation of engineers and inventors to push the boundaries of what is possible.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile