This inventor holds 4 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Sumitomo Electric Industries, Limited, The Kansai Electric Power Co., Inc.. Active years: 2000-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 10,631 
1 out of 195 
Years Active: 2000-2023
Title: Yasumitsu Tsutsui: Innovator in Redox Flow Battery Technology
Introduction
Yasumitsu Tsutsui is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of energy storage, particularly through his work on redox flow battery systems. With a total of 4 patents to his name, Tsutsui's innovations are paving the way for more efficient energy solutions.
Latest Patents
One of Tsutsui's latest patents is a redox flow battery system and method for operating it. This system includes a cell that performs charging and discharging between the cell and a power system. It features a tank that stores an electrolyte supplied to the cell, a circulation pump that circulates the electrolyte, a power converter, and a charge/discharge control unit. The control unit is designed to manage the operation of the power converter, ensuring efficient charging and discharging of the cell. In the event of a power failure, the control unit can redirect power from the electrolyte remaining in the cell to the circulation pump.
Another notable patent involves a battery sealing structure and an electrolyte circulation type battery cell frame. This invention provides an easy-to-assemble battery sealing structure that includes a bipolar plate and a pair of frames that hold the peripheral portion of the plate. The design incorporates an annular packing made of elastic material, which enhances the efficiency and reliability of the battery system.
Career Highlights
Throughout his career, Yasumitsu Tsutsui has worked with several notable companies, including Sumitomo Electric Industries and Kansai Electric Power Company. His experience in these organizations has contributed to his expertise in energy technologies and battery systems.
Collaborations
Tsutsui has collaborated with esteemed colleagues such as Nobuyuki Tokuda and Hiroyuki Nakaishi. These partnerships have fostered innovation and development in the field of energy storage solutions.
Conclusion
Yasumitsu Tsutsui is a key figure in the advancement of redox flow battery technology. His patents and career achievements reflect his commitment to improving energy storage systems. Through his work, he continues to influence the future of energy solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile