Company Filing History:
Years Active: 2010-2012
Title: Fumiko Hashimoto: Innovator in Battery Technology
Introduction
Fumiko Hashimoto is a prominent inventor based in Fukushima, Japan. She has made significant contributions to the field of battery technology, holding a total of 4 patents. Her innovative designs focus on improving the efficiency and performance of secondary batteries.
Latest Patents
One of her latest patents involves a secondary battery that features a spirally wound electrode body. This design includes a cathode with a cathode active material layer on a strip-shaped cathode current collector and an anode with an anode active material layer on a strip-shaped anode current collector, layered with a separator in between. The battery is designed to enhance performance by ensuring that the inner circumferential end of the cathode active material layer does not overlap with the lead in the short axis direction of the spirally wound electrode body.
Another notable patent is for a spirally wound secondary battery with uneven termination end portions. This innovation aims to improve charge-discharge cycle characteristics when using an alloy material as an anode active material. The design includes an exposed cathode region in the outer end portion of the cathode, which is equipped with an insulating protective member to enhance safety and efficiency.
Career Highlights
Fumiko Hashimoto is currently employed at Sony Corporation, where she continues to develop cutting-edge technologies in battery design. Her work has been instrumental in advancing the capabilities of secondary batteries, making them more efficient and reliable for various applications.
Collaborations
Throughout her career, Fumiko has collaborated with notable colleagues, including Yuzuru Fukushima and Hiroshi Inoue. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Fumiko Hashimoto's contributions to battery technology exemplify her dedication to innovation and excellence. Her patents reflect a deep understanding of the complexities involved in battery design, and her work continues to influence the industry positively.