This inventor holds 2 USPTO granted patents. Top assignees: Fuji Electric Co., Ltd., The Kansai Electric Power Co., Inc.. Active years: 1997-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 4,826 
2 out of 195 
Years Active: 1997-1999
Title: Innovations of Atsushi Ashizawa in Synchronous Machine Technology
Introduction
Atsushi Ashizawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of synchronous machine technology, holding 2 patents that focus on improving the efficiency and functionality of these machines.
Latest Patents
One of his latest patents is a "Synchronous machine excitation control device for absorbing harmonics." This device controls the excitation of a synchronous machine to absorb harmonic currents superimposed onto the current flowing between an electric power system and the synchronous machine. The device utilizes a harmonic detector that selectively passes a harmonic component of a specified order, which is then processed to cancel out the harmonic current effectively.
Another significant patent is the "Synchronous machine with harmonics dampening." This invention allows a synchronous machine to absorb higher harmonics in an AC system. It includes a damper winding, capacitors, and a DC reactor, all designed to reduce the impedance of the damper winding and field circuit. This innovative design helps extinguish or reduce higher harmonics in the AC system, enhancing the overall performance of the synchronous machine.
Career Highlights
Atsushi Ashizawa has worked with prominent companies such as Kansai Electric Power Co., Inc. and Fuji Electric Co., Ltd. His experience in these organizations has contributed to his expertise in synchronous machine technology and innovation.
Collaborations
Throughout his career, Atsushi has collaborated with notable colleagues, including Yoshisuke Ueda and Fuyuto Takase. These collaborations have likely fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Atsushi Ashizawa's contributions to synchronous machine technology through his patents and career experiences highlight his role as an influential inventor. His work continues to impact the efficiency and functionality of electrical systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile